21889320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2309}}^1$

素因数の和:2402

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 44638680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2309, 2370, 3160, 4618, 4740, 6927, 9236, 9480, 11545, 13854, 18472, 23090, 27708, 34635, 46180, 55416, 69270, 92360, 138540, 182411, 277080, 364822, 547233, 729644, 912055, 1094466, 1459288, 1824110, 2188932, 2736165, 3648220, 4377864, 5472330, 7296440, 10944660, 21889320]

約数ペア:

[(1, 21889320), (2, 10944660), (3, 7296440), (4, 5472330), (5, 4377864), (6, 3648220), (8, 2736165), (10, 2188932), (12, 1824110), (15, 1459288), (20, 1094466), (24, 912055), (30, 729644), (40, 547233), (60, 364822), (79, 277080), (120, 182411), (158, 138540), (237, 92360), (316, 69270), (395, 55416), (474, 46180), (632, 34635), (790, 27708), (948, 23090), (1185, 18472), (1580, 13854), (1896, 11545), (2309, 9480), (2370, 9236), (3160, 6927), (4618, 4740)]