21372272

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{1627}}^1$

素因数の和:2456

約数の個数: 20

約数和(自身を含む): 41484696

約数和(自身を除く): 20112424

約数列:

[1, 2, 4, 8, 16, 821, 1627, 1642, 3254, 3284, 6508, 6568, 13016, 13136, 26032, 1335767, 2671534, 5343068, 10686136, 21372272]

約数ペア:

[(1, 21372272), (2, 10686136), (4, 5343068), (8, 2671534), (16, 1335767), (821, 26032), (1627, 13136), (1642, 13016), (3254, 6568), (3284, 6508)]