21003360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:98

約数の個数: 288

約数和(自身を含む): 82736640

約数和(自身を除く): 61733280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 47, 48, 49, 56, 57, 60, 70, 76, 80, 84, 94, 95, 96, 98, 105, 112, 114, 120, 133, 140, 141, 147, 152, 160, 168, 188, 190, 196, 210, 224, 228, 235, 240, 245, 266, 280, 282, 285, 294, 304, 329, 336, 376, 380, 392, 399, 420, 456, 470, 480, 490, 532, 560, 564, 570, 588, 608, 658, 665, 672, 705, 735, 752, 760, 784, 798, 840, 893, 912, 931, 940, 980, 987, 1064, 1120, 1128, 1140, 1176, 1316, 1330, 1410, 1470, 1504, 1520, 1568, 1596, 1645, 1680, 1786, 1824, 1862, 1880, 1960, 1974, 1995, 2128, 2256, 2280, 2303, 2352, 2632, 2660, 2679, 2793, 2820, 2940, 3040, 3192, 3290, 3360, 3572, 3724, 3760, 3920, 3948, 3990, 4256, 4465, 4512, 4560, 4606, 4655, 4704, 4935, 5264, 5320, 5358, 5586, 5640, 5880, 6251, 6384, 6580, 6909, 7144, 7448, 7520, 7840, 7896, 7980, 8930, 9120, 9212, 9310, 9870, 10528, 10640, 10716, 11172, 11280, 11515, 11760, 12502, 12768, 13160, 13395, 13818, 13965, 14288, 14896, 15792, 15960, 17860, 18424, 18620, 18753, 19740, 21280, 21432, 22344, 22560, 23030, 23520, 25004, 26320, 26790, 27636, 27930, 28576, 29792, 31255, 31584, 31920, 34545, 35720, 36848, 37240, 37506, 39480, 42864, 43757, 44688, 46060, 50008, 52640, 53580, 55272, 55860, 62510, 63840, 69090, 71440, 73696, 74480, 75012, 78960, 85728, 87514, 89376, 92120, 93765, 100016, 107160, 110544, 111720, 125020, 131271, 138180, 142880, 148960, 150024, 157920, 175028, 184240, 187530, 200032, 214320, 218785, 221088, 223440, 250040, 262542, 276360, 300048, 350056, 368480, 375060, 428640, 437570, 446880, 500080, 525084, 552720, 600096, 656355, 700112, 750120, 875140, 1000160, 1050168, 1105440, 1312710, 1400224, 1500240, 1750280, 2100336, 2625420, 3000480, 3500560, 4200672, 5250840, 7001120, 10501680, 21003360]

約数ペア:

[(1, 21003360), (2, 10501680), (3, 7001120), (4, 5250840), (5, 4200672), (6, 3500560), (7, 3000480), (8, 2625420), (10, 2100336), (12, 1750280), (14, 1500240), (15, 1400224), (16, 1312710), (19, 1105440), (20, 1050168), (21, 1000160), (24, 875140), (28, 750120), (30, 700112), (32, 656355), (35, 600096), (38, 552720), (40, 525084), (42, 500080), (47, 446880), (48, 437570), (49, 428640), (56, 375060), (57, 368480), (60, 350056), (70, 300048), (76, 276360), (80, 262542), (84, 250040), (94, 223440), (95, 221088), (96, 218785), (98, 214320), (105, 200032), (112, 187530), (114, 184240), (120, 175028), (133, 157920), (140, 150024), (141, 148960), (147, 142880), (152, 138180), (160, 131271), (168, 125020), (188, 111720), (190, 110544), (196, 107160), (210, 100016), (224, 93765), (228, 92120), (235, 89376), (240, 87514), (245, 85728), (266, 78960), (280, 75012), (282, 74480), (285, 73696), (294, 71440), (304, 69090), (329, 63840), (336, 62510), (376, 55860), (380, 55272), (392, 53580), (399, 52640), (420, 50008), (456, 46060), (470, 44688), (480, 43757), (490, 42864), (532, 39480), (560, 37506), (564, 37240), (570, 36848), (588, 35720), (608, 34545), (658, 31920), (665, 31584), (672, 31255), (705, 29792), (735, 28576), (752, 27930), (760, 27636), (784, 26790), (798, 26320), (840, 25004), (893, 23520), (912, 23030), (931, 22560), (940, 22344), (980, 21432), (987, 21280), (1064, 19740), (1120, 18753), (1128, 18620), (1140, 18424), (1176, 17860), (1316, 15960), (1330, 15792), (1410, 14896), (1470, 14288), (1504, 13965), (1520, 13818), (1568, 13395), (1596, 13160), (1645, 12768), (1680, 12502), (1786, 11760), (1824, 11515), (1862, 11280), (1880, 11172), (1960, 10716), (1974, 10640), (1995, 10528), (2128, 9870), (2256, 9310), (2280, 9212), (2303, 9120), (2352, 8930), (2632, 7980), (2660, 7896), (2679, 7840), (2793, 7520), (2820, 7448), (2940, 7144), (3040, 6909), (3192, 6580), (3290, 6384), (3360, 6251), (3572, 5880), (3724, 5640), (3760, 5586), (3920, 5358), (3948, 5320), (3990, 5264), (4256, 4935), (4465, 4704), (4512, 4655), (4560, 4606)]