21744710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167267}}^1$

素因数の和:167287

約数の個数: 16

約数和(自身を含む): 42151536

約数和(自身を除く): 20406826

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167267, 334534, 836335, 1672670, 2174471, 4348942, 10872355, 21744710]

約数ペア:

[(1, 21744710), (2, 10872355), (5, 4348942), (10, 2174471), (13, 1672670), (26, 836335), (65, 334534), (130, 167267)]