21167691670

素因数分解:

$2^1\times 5^1\times {\mathrm{2971}}^1\times {\mathrm{712477}}^1$

素因数の和:715455

約数の個数: 16

約数和(自身を含む): 38114723088

約数和(自身を除く): 16947031418

約数列:

[1, 2, 5, 10, 2971, 5942, 14855, 29710, 712477, 1424954, 3562385, 7124770, 2116769167, 4233538334, 10583845835, 21167691670]

約数ペア:

[(1, 21167691670), (2, 10583845835), (5, 4233538334), (10, 2116769167), (2971, 7124770), (5942, 3562385), (14855, 1424954), (29710, 712477)]