21213664

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9337}}^1$

素因数の和:9418

約数の個数: 24

約数和(自身を含む): 42357168

約数和(自身を除く): 21143504

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9337, 18674, 37348, 74696, 149392, 298784, 662927, 1325854, 2651708, 5303416, 10606832, 21213664]

約数ペア:

[(1, 21213664), (2, 10606832), (4, 5303416), (8, 2651708), (16, 1325854), (32, 662927), (71, 298784), (142, 149392), (284, 74696), (568, 37348), (1136, 18674), (2272, 9337)]