21000979290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700032643}}^1$

素因数の和:700032653

約数の個数: 16

約数和(自身を含む): 50402350368

約数和(自身を除く): 29401371078

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700032643, 1400065286, 2100097929, 3500163215, 4200195858, 7000326430, 10500489645, 21000979290]

約数ペア:

[(1, 21000979290), (2, 10500489645), (3, 7000326430), (5, 4200195858), (6, 3500163215), (10, 2100097929), (15, 1400065286), (30, 700032643)]