21706827

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{1171}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 29928192

約数和(自身を除く): 8221365

約数列:

[1, 3, 37, 111, 167, 501, 1171, 3513, 6179, 18537, 43327, 129981, 195557, 586671, 7235609, 21706827]

約数ペア:

[(1, 21706827), (3, 7235609), (37, 586671), (111, 195557), (167, 129981), (501, 43327), (1171, 18537), (3513, 6179)]