21001435

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 31393152

約数和(自身を除く): 10391717

約数列:

[1, 5, 7, 13, 35, 65, 91, 101, 455, 457, 505, 707, 1313, 2285, 3199, 3535, 5941, 6565, 9191, 15995, 29705, 41587, 45955, 46157, 207935, 230785, 323099, 600041, 1615495, 3000205, 4200287, 21001435]

約数ペア:

[(1, 21001435), (5, 4200287), (7, 3000205), (13, 1615495), (35, 600041), (65, 323099), (91, 230785), (101, 207935), (455, 46157), (457, 45955), (505, 41587), (707, 29705), (1313, 15995), (2285, 9191), (3199, 6565), (3535, 5941)]