21503370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{102397}}^1$

素因数の和:102414

約数の個数: 32

約数和(自身を含む): 58981248

約数和(自身を除く): 37477878

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 102397, 204794, 307191, 511985, 614382, 716779, 1023970, 1433558, 1535955, 2150337, 3071910, 3583895, 4300674, 7167790, 10751685, 21503370]

約数ペア:

[(1, 21503370), (2, 10751685), (3, 7167790), (5, 4300674), (6, 3583895), (7, 3071910), (10, 2150337), (14, 1535955), (15, 1433558), (21, 1023970), (30, 716779), (35, 614382), (42, 511985), (70, 307191), (105, 204794), (210, 102397)]