21739710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1301}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 52309152

約数和(自身を除く): 30569442

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 557, 1114, 1301, 1671, 2602, 2785, 3342, 3903, 5570, 6505, 7806, 8355, 13010, 16710, 19515, 39030, 724657, 1449314, 2173971, 3623285, 4347942, 7246570, 10869855, 21739710]

約数ペア:

[(1, 21739710), (2, 10869855), (3, 7246570), (5, 4347942), (6, 3623285), (10, 2173971), (15, 1449314), (30, 724657), (557, 39030), (1114, 19515), (1301, 16710), (1671, 13010), (2602, 8355), (2785, 7806), (3342, 6505), (3903, 5570)]