21012924

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13367}}^1$

素因数の和:13505

約数の個数: 24

約数和(自身を含む): 49408128

約数和(自身を除く): 28395204

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13367, 26734, 40101, 53468, 80202, 160404, 1751077, 3502154, 5253231, 7004308, 10506462, 21012924]

約数ペア:

[(1, 21012924), (2, 10506462), (3, 7004308), (4, 5253231), (6, 3502154), (12, 1751077), (131, 160404), (262, 80202), (393, 53468), (524, 40101), (786, 26734), (1572, 13367)]