21000742030

素因数分解:

$2^1\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{1306829}}^1$

素因数の和:1308443

約数の個数: 16

約数和(自身を含む): 37824887520

約数和(自身を除く): 16824145490

約数列:

[1, 2, 5, 10, 1607, 3214, 8035, 16070, 1306829, 2613658, 6534145, 13068290, 2100074203, 4200148406, 10500371015, 21000742030]

約数ペア:

[(1, 21000742030), (2, 10500371015), (5, 4200148406), (10, 2100074203), (1607, 13068290), (3214, 6534145), (8035, 2613658), (16070, 1306829)]