21402950

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{6029}}^1$

素因数の和:6112

約数の個数: 24

約数和(自身を含む): 40376880

約数和(自身を除く): 18973930

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 6029, 12058, 30145, 60290, 150725, 301450, 428059, 856118, 2140295, 4280590, 10701475, 21402950]

約数ペア:

[(1, 21402950), (2, 10701475), (5, 4280590), (10, 2140295), (25, 856118), (50, 428059), (71, 301450), (142, 150725), (355, 60290), (710, 30145), (1775, 12058), (3550, 6029)]