21104928

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1879}}^1$

素因数の和:1911

約数の個数: 96

約数和(自身を含む): 66326400

約数和(自身を除く): 45221472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 208, 216, 234, 288, 312, 351, 416, 432, 468, 624, 702, 864, 936, 1248, 1404, 1872, 1879, 2808, 3744, 3758, 5616, 5637, 7516, 11232, 11274, 15032, 16911, 22548, 24427, 30064, 33822, 45096, 48854, 50733, 60128, 67644, 73281, 90192, 97708, 101466, 135288, 146562, 180384, 195416, 202932, 219843, 270576, 293124, 390832, 405864, 439686, 541152, 586248, 659529, 781664, 811728, 879372, 1172496, 1319058, 1623456, 1758744, 2344992, 2638116, 3517488, 5276232, 7034976, 10552464, 21104928]

約数ペア:

[(1, 21104928), (2, 10552464), (3, 7034976), (4, 5276232), (6, 3517488), (8, 2638116), (9, 2344992), (12, 1758744), (13, 1623456), (16, 1319058), (18, 1172496), (24, 879372), (26, 811728), (27, 781664), (32, 659529), (36, 586248), (39, 541152), (48, 439686), (52, 405864), (54, 390832), (72, 293124), (78, 270576), (96, 219843), (104, 202932), (108, 195416), (117, 180384), (144, 146562), (156, 135288), (208, 101466), (216, 97708), (234, 90192), (288, 73281), (312, 67644), (351, 60128), (416, 50733), (432, 48854), (468, 45096), (624, 33822), (702, 30064), (864, 24427), (936, 22548), (1248, 16911), (1404, 15032), (1872, 11274), (1879, 11232), (2808, 7516), (3744, 5637), (3758, 5616)]