21858482

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1039}}^1$

素因数の和:1265

約数の個数: 16

約数和(自身を含む): 33521280

約数和(自身を除く): 11662798

約数列:

[1, 2, 67, 134, 157, 314, 1039, 2078, 10519, 21038, 69613, 139226, 163123, 326246, 10929241, 21858482]

約数ペア:

[(1, 21858482), (2, 10929241), (67, 326246), (134, 163123), (157, 139226), (314, 69613), (1039, 21038), (2078, 10519)]