21313700

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1627}}^1$

素因数の和:1772

約数の個数: 36

約数和(自身を含む): 46632432

約数和(自身を除く): 25318732

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 1627, 2620, 3254, 3275, 6508, 6550, 8135, 13100, 16270, 32540, 40675, 81350, 162700, 213137, 426274, 852548, 1065685, 2131370, 4262740, 5328425, 10656850, 21313700]

約数ペア:

[(1, 21313700), (2, 10656850), (4, 5328425), (5, 4262740), (10, 2131370), (20, 1065685), (25, 852548), (50, 426274), (100, 213137), (131, 162700), (262, 81350), (524, 40675), (655, 32540), (1310, 16270), (1627, 13100), (2620, 8135), (3254, 6550), (3275, 6508)]