21865010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{115079}}^1$

素因数の和:115105

約数の個数: 16

約数和(自身を含む): 41428800

約数和(自身を除く): 19563790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 115079, 230158, 575395, 1150790, 2186501, 4373002, 10932505, 21865010]

約数ペア:

[(1, 21865010), (2, 10932505), (5, 4373002), (10, 2186501), (19, 1150790), (38, 575395), (95, 230158), (190, 115079)]