21868844

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 39019680

約数和(自身を除く): 17150836

約数列:

[1, 2, 4, 97, 157, 194, 314, 359, 388, 628, 718, 1436, 15229, 30458, 34823, 56363, 60916, 69646, 112726, 139292, 225452, 5467211, 10934422, 21868844]

約数ペア:

[(1, 21868844), (2, 10934422), (4, 5467211), (97, 225452), (157, 139292), (194, 112726), (314, 69646), (359, 60916), (388, 56363), (628, 34823), (718, 30458), (1436, 15229)]