21832440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 78796800

約数和(自身を除く): 56964360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 49, 56, 60, 70, 79, 84, 94, 98, 105, 120, 140, 141, 147, 158, 168, 188, 196, 210, 235, 237, 245, 280, 282, 294, 316, 329, 376, 392, 395, 420, 470, 474, 490, 553, 564, 588, 632, 658, 705, 735, 790, 840, 940, 948, 980, 987, 1106, 1128, 1176, 1185, 1316, 1410, 1470, 1580, 1645, 1659, 1880, 1896, 1960, 1974, 2212, 2303, 2370, 2632, 2765, 2820, 2940, 3160, 3290, 3318, 3713, 3871, 3948, 4424, 4606, 4740, 4935, 5530, 5640, 5880, 6580, 6636, 6909, 7426, 7742, 7896, 8295, 9212, 9480, 9870, 11060, 11139, 11515, 11613, 13160, 13272, 13818, 14852, 15484, 16590, 18424, 18565, 19355, 19740, 22120, 22278, 23030, 23226, 25991, 27636, 29704, 30968, 33180, 34545, 37130, 38710, 39480, 44556, 46060, 46452, 51982, 55272, 55695, 58065, 66360, 69090, 74260, 77420, 77973, 89112, 92120, 92904, 103964, 111390, 116130, 129955, 138180, 148520, 154840, 155946, 181937, 207928, 222780, 232260, 259910, 276360, 311892, 363874, 389865, 445560, 464520, 519820, 545811, 623784, 727748, 779730, 909685, 1039640, 1091622, 1455496, 1559460, 1819370, 2183244, 2729055, 3118920, 3638740, 4366488, 5458110, 7277480, 10916220, 21832440]

約数ペア:

[(1, 21832440), (2, 10916220), (3, 7277480), (4, 5458110), (5, 4366488), (6, 3638740), (7, 3118920), (8, 2729055), (10, 2183244), (12, 1819370), (14, 1559460), (15, 1455496), (20, 1091622), (21, 1039640), (24, 909685), (28, 779730), (30, 727748), (35, 623784), (40, 545811), (42, 519820), (47, 464520), (49, 445560), (56, 389865), (60, 363874), (70, 311892), (79, 276360), (84, 259910), (94, 232260), (98, 222780), (105, 207928), (120, 181937), (140, 155946), (141, 154840), (147, 148520), (158, 138180), (168, 129955), (188, 116130), (196, 111390), (210, 103964), (235, 92904), (237, 92120), (245, 89112), (280, 77973), (282, 77420), (294, 74260), (316, 69090), (329, 66360), (376, 58065), (392, 55695), (395, 55272), (420, 51982), (470, 46452), (474, 46060), (490, 44556), (553, 39480), (564, 38710), (588, 37130), (632, 34545), (658, 33180), (705, 30968), (735, 29704), (790, 27636), (840, 25991), (940, 23226), (948, 23030), (980, 22278), (987, 22120), (1106, 19740), (1128, 19355), (1176, 18565), (1185, 18424), (1316, 16590), (1410, 15484), (1470, 14852), (1580, 13818), (1645, 13272), (1659, 13160), (1880, 11613), (1896, 11515), (1960, 11139), (1974, 11060), (2212, 9870), (2303, 9480), (2370, 9212), (2632, 8295), (2765, 7896), (2820, 7742), (2940, 7426), (3160, 6909), (3290, 6636), (3318, 6580), (3713, 5880), (3871, 5640), (3948, 5530), (4424, 4935), (4606, 4740)]