21726160

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4603}}^1$

素因数の和:4675

約数の個数: 40

約数和(自身を含む): 51380640

約数和(自身を除く): 29654480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4603, 4720, 9206, 18412, 23015, 36824, 46030, 73648, 92060, 184120, 271577, 368240, 543154, 1086308, 1357885, 2172616, 2715770, 4345232, 5431540, 10863080, 21726160]

約数ペア:

[(1, 21726160), (2, 10863080), (4, 5431540), (5, 4345232), (8, 2715770), (10, 2172616), (16, 1357885), (20, 1086308), (40, 543154), (59, 368240), (80, 271577), (118, 184120), (236, 92060), (295, 73648), (472, 46030), (590, 36824), (944, 23015), (1180, 18412), (2360, 9206), (4603, 4720)]