21929090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 41140224

約数和(自身を除く): 19211134

約数列:

[1, 2, 5, 10, 31, 62, 127, 155, 254, 310, 557, 635, 1114, 1270, 2785, 3937, 5570, 7874, 17267, 19685, 34534, 39370, 70739, 86335, 141478, 172670, 353695, 707390, 2192909, 4385818, 10964545, 21929090]

約数ペア:

[(1, 21929090), (2, 10964545), (5, 4385818), (10, 2192909), (31, 707390), (62, 353695), (127, 172670), (155, 141478), (254, 86335), (310, 70739), (557, 39370), (635, 34534), (1114, 19685), (1270, 17267), (2785, 7874), (3937, 5570)]