21452370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3389}}^1$

素因数の和:3610

約数の個数: 32

約数和(自身を含む): 51744960

約数和(自身を除く): 30292590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2110, 3165, 3389, 6330, 6778, 10167, 16945, 20334, 33890, 50835, 101670, 715079, 1430158, 2145237, 3575395, 4290474, 7150790, 10726185, 21452370]

約数ペア:

[(1, 21452370), (2, 10726185), (3, 7150790), (5, 4290474), (6, 3575395), (10, 2145237), (15, 1430158), (30, 715079), (211, 101670), (422, 50835), (633, 33890), (1055, 20334), (1266, 16945), (2110, 10167), (3165, 6778), (3389, 6330)]