21666110425

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{69149}}^1$

素因数の和:69393

約数の個数: 24

約数和(自身を含む): 27370123200

約数和(自身を除く): 5704012775

約数列:

[1, 5, 25, 83, 151, 415, 755, 2075, 3775, 12533, 62665, 69149, 313325, 345745, 1728725, 5739367, 10441499, 28696835, 52207495, 143484175, 261037475, 866644417, 4333222085, 21666110425]

約数ペア:

[(1, 21666110425), (5, 4333222085), (25, 866644417), (83, 261037475), (151, 143484175), (415, 52207495), (755, 28696835), (2075, 10441499), (3775, 5739367), (12533, 1728725), (62665, 345745), (69149, 313325)]