21263040

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 224

約数和(自身を含む): 79004160

約数和(自身を除く): 57741120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 107, 108, 115, 120, 135, 138, 144, 160, 180, 184, 192, 207, 214, 216, 230, 240, 270, 276, 288, 320, 321, 345, 360, 368, 414, 428, 432, 460, 480, 535, 540, 552, 576, 621, 642, 690, 720, 736, 828, 856, 864, 920, 960, 963, 1035, 1070, 1080, 1104, 1242, 1284, 1380, 1440, 1472, 1605, 1656, 1712, 1728, 1840, 1926, 2070, 2140, 2160, 2208, 2461, 2484, 2568, 2760, 2880, 2889, 3105, 3210, 3312, 3424, 3680, 3852, 4140, 4280, 4320, 4416, 4815, 4922, 4968, 5136, 5520, 5778, 6210, 6420, 6624, 6848, 7360, 7383, 7704, 8280, 8560, 8640, 9630, 9844, 9936, 10272, 11040, 11556, 12305, 12420, 12840, 13248, 14445, 14766, 15408, 16560, 17120, 19260, 19688, 19872, 20544, 22080, 22149, 23112, 24610, 24840, 25680, 28890, 29532, 30816, 33120, 34240, 36915, 38520, 39376, 39744, 44298, 46224, 49220, 49680, 51360, 57780, 59064, 61632, 66240, 66447, 73830, 77040, 78752, 88596, 92448, 98440, 99360, 102720, 110745, 115560, 118128, 132894, 147660, 154080, 157504, 177192, 184896, 196880, 198720, 221490, 231120, 236256, 265788, 295320, 308160, 332235, 354384, 393760, 442980, 462240, 472512, 531576, 590640, 664470, 708768, 787520, 885960, 924480, 1063152, 1181280, 1328940, 1417536, 1771920, 2126304, 2362560, 2657880, 3543840, 4252608, 5315760, 7087680, 10631520, 21263040]

約数ペア:

[(1, 21263040), (2, 10631520), (3, 7087680), (4, 5315760), (5, 4252608), (6, 3543840), (8, 2657880), (9, 2362560), (10, 2126304), (12, 1771920), (15, 1417536), (16, 1328940), (18, 1181280), (20, 1063152), (23, 924480), (24, 885960), (27, 787520), (30, 708768), (32, 664470), (36, 590640), (40, 531576), (45, 472512), (46, 462240), (48, 442980), (54, 393760), (60, 354384), (64, 332235), (69, 308160), (72, 295320), (80, 265788), (90, 236256), (92, 231120), (96, 221490), (107, 198720), (108, 196880), (115, 184896), (120, 177192), (135, 157504), (138, 154080), (144, 147660), (160, 132894), (180, 118128), (184, 115560), (192, 110745), (207, 102720), (214, 99360), (216, 98440), (230, 92448), (240, 88596), (270, 78752), (276, 77040), (288, 73830), (320, 66447), (321, 66240), (345, 61632), (360, 59064), (368, 57780), (414, 51360), (428, 49680), (432, 49220), (460, 46224), (480, 44298), (535, 39744), (540, 39376), (552, 38520), (576, 36915), (621, 34240), (642, 33120), (690, 30816), (720, 29532), (736, 28890), (828, 25680), (856, 24840), (864, 24610), (920, 23112), (960, 22149), (963, 22080), (1035, 20544), (1070, 19872), (1080, 19688), (1104, 19260), (1242, 17120), (1284, 16560), (1380, 15408), (1440, 14766), (1472, 14445), (1605, 13248), (1656, 12840), (1712, 12420), (1728, 12305), (1840, 11556), (1926, 11040), (2070, 10272), (2140, 9936), (2160, 9844), (2208, 9630), (2461, 8640), (2484, 8560), (2568, 8280), (2760, 7704), (2880, 7383), (2889, 7360), (3105, 6848), (3210, 6624), (3312, 6420), (3424, 6210), (3680, 5778), (3852, 5520), (4140, 5136), (4280, 4968), (4320, 4922), (4416, 4815)]