21580823056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59663}}^1$

素因数の和:59768

約数の個数: 80

約数和(自身を含む): 47230977024

約数和(自身を除く): 25650153968

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 47, 52, 74, 94, 104, 148, 188, 208, 296, 376, 481, 592, 611, 752, 962, 1222, 1739, 1924, 2444, 3478, 3848, 4888, 6956, 7696, 9776, 13912, 22607, 27824, 45214, 59663, 90428, 119326, 180856, 238652, 361712, 477304, 775619, 954608, 1551238, 2207531, 2804161, 3102476, 4415062, 5608322, 6204952, 8830124, 11216644, 12409904, 17660248, 22433288, 28697903, 35320496, 36454093, 44866576, 57395806, 72908186, 103753957, 114791612, 145816372, 207507914, 229583224, 291632744, 415015828, 459166448, 583265488, 830031656, 1348801441, 1660063312, 2697602882, 5395205764, 10790411528, 21580823056]

約数ペア:

[(1, 21580823056), (2, 10790411528), (4, 5395205764), (8, 2697602882), (13, 1660063312), (16, 1348801441), (26, 830031656), (37, 583265488), (47, 459166448), (52, 415015828), (74, 291632744), (94, 229583224), (104, 207507914), (148, 145816372), (188, 114791612), (208, 103753957), (296, 72908186), (376, 57395806), (481, 44866576), (592, 36454093), (611, 35320496), (752, 28697903), (962, 22433288), (1222, 17660248), (1739, 12409904), (1924, 11216644), (2444, 8830124), (3478, 6204952), (3848, 5608322), (4888, 4415062), (6956, 3102476), (7696, 2804161), (9776, 2207531), (13912, 1551238), (22607, 954608), (27824, 775619), (45214, 477304), (59663, 361712), (90428, 238652), (119326, 180856)]