21029660

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4363}}^1$

素因数の和:4613

約数の個数: 24

約数和(自身を含む): 44355696

約数和(自身を除く): 23326036

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4363, 4820, 8726, 17452, 21815, 43630, 87260, 1051483, 2102966, 4205932, 5257415, 10514830, 21029660]

約数ペア:

[(1, 21029660), (2, 10514830), (4, 5257415), (5, 4205932), (10, 2102966), (20, 1051483), (241, 87260), (482, 43630), (964, 21815), (1205, 17452), (2410, 8726), (4363, 4820)]