21359360

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 58720032

約数和(自身を除く): 37360672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 41, 44, 55, 64, 74, 80, 82, 88, 110, 128, 148, 160, 164, 176, 185, 205, 220, 256, 296, 320, 328, 352, 370, 407, 410, 440, 451, 592, 640, 656, 704, 740, 814, 820, 880, 902, 1184, 1280, 1312, 1408, 1480, 1517, 1628, 1640, 1760, 1804, 2035, 2255, 2368, 2624, 2816, 2960, 3034, 3256, 3280, 3520, 3608, 4070, 4510, 4736, 5248, 5920, 6068, 6512, 6560, 7040, 7216, 7585, 8140, 9020, 9472, 10496, 11840, 12136, 13024, 13120, 14080, 14432, 15170, 16280, 16687, 18040, 23680, 24272, 26048, 26240, 28864, 30340, 32560, 33374, 36080, 47360, 48544, 52096, 52480, 57728, 60680, 65120, 66748, 72160, 83435, 97088, 104192, 115456, 121360, 130240, 133496, 144320, 166870, 194176, 242720, 260480, 266992, 288640, 333740, 388352, 485440, 520960, 533984, 577280, 667480, 970880, 1067968, 1334960, 1941760, 2135936, 2669920, 4271872, 5339840, 10679680, 21359360]

約数ペア:

[(1, 21359360), (2, 10679680), (4, 5339840), (5, 4271872), (8, 2669920), (10, 2135936), (11, 1941760), (16, 1334960), (20, 1067968), (22, 970880), (32, 667480), (37, 577280), (40, 533984), (41, 520960), (44, 485440), (55, 388352), (64, 333740), (74, 288640), (80, 266992), (82, 260480), (88, 242720), (110, 194176), (128, 166870), (148, 144320), (160, 133496), (164, 130240), (176, 121360), (185, 115456), (205, 104192), (220, 97088), (256, 83435), (296, 72160), (320, 66748), (328, 65120), (352, 60680), (370, 57728), (407, 52480), (410, 52096), (440, 48544), (451, 47360), (592, 36080), (640, 33374), (656, 32560), (704, 30340), (740, 28864), (814, 26240), (820, 26048), (880, 24272), (902, 23680), (1184, 18040), (1280, 16687), (1312, 16280), (1408, 15170), (1480, 14432), (1517, 14080), (1628, 13120), (1640, 13024), (1760, 12136), (1804, 11840), (2035, 10496), (2255, 9472), (2368, 9020), (2624, 8140), (2816, 7585), (2960, 7216), (3034, 7040), (3256, 6560), (3280, 6512), (3520, 6068), (3608, 5920), (4070, 5248), (4510, 4736)]