21155452

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{859}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 38142720

約数和(自身を除く): 16987268

約数列:

[1, 2, 4, 47, 94, 131, 188, 262, 524, 859, 1718, 3436, 6157, 12314, 24628, 40373, 80746, 112529, 161492, 225058, 450116, 5288863, 10577726, 21155452]

約数ペア:

[(1, 21155452), (2, 10577726), (4, 5288863), (47, 450116), (94, 225058), (131, 161492), (188, 112529), (262, 80746), (524, 40373), (859, 24628), (1718, 12314), (3436, 6157)]