21190677

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 30185376

約数和(自身を除く): 8994699

約数列:

[1, 3, 29, 37, 87, 111, 227, 681, 841, 1073, 2523, 3219, 6583, 8399, 19749, 25197, 31117, 93351, 190907, 243571, 572721, 730713, 7063559, 21190677]

約数ペア:

[(1, 21190677), (3, 7063559), (29, 730713), (37, 572721), (87, 243571), (111, 190907), (227, 93351), (681, 31117), (841, 25197), (1073, 19749), (2523, 8399), (3219, 6583)]