21706750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6679}}^1$

素因数の和:6709

約数の個数: 32

約数和(自身を含む): 43767360

約数和(自身を除く): 22060610

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6679, 13358, 33395, 66790, 86827, 166975, 173654, 333950, 434135, 834875, 868270, 1669750, 2170675, 4341350, 10853375, 21706750]

約数ペア:

[(1, 21706750), (2, 10853375), (5, 4341350), (10, 2170675), (13, 1669750), (25, 868270), (26, 834875), (50, 434135), (65, 333950), (125, 173654), (130, 166975), (250, 86827), (325, 66790), (650, 33395), (1625, 13358), (3250, 6679)]