21913238425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3966197}}^1$

素因数の和:3966237

約数の個数: 24

約数和(自身を含む): 30983938776

約数和(自身を除く): 9070700351

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 3966197, 19830985, 51560561, 67425349, 99154925, 257802805, 337126745, 876529537, 1289014025, 1685633725, 4382647685, 21913238425]

約数ペア:

[(1, 21913238425), (5, 4382647685), (13, 1685633725), (17, 1289014025), (25, 876529537), (65, 337126745), (85, 257802805), (221, 99154925), (325, 67425349), (425, 51560561), (1105, 19830985), (5525, 3966197)]