21501714

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1523}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 46597824

約数和(自身を除く): 25096110

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 181, 362, 543, 1086, 1523, 2353, 3046, 4569, 4706, 7059, 9138, 14118, 19799, 39598, 59397, 118794, 275663, 551326, 826989, 1653978, 3583619, 7167238, 10750857, 21501714]

約数ペア:

[(1, 21501714), (2, 10750857), (3, 7167238), (6, 3583619), (13, 1653978), (26, 826989), (39, 551326), (78, 275663), (181, 118794), (362, 59397), (543, 39598), (1086, 19799), (1523, 14118), (2353, 9138), (3046, 7059), (4569, 4706)]