21790812

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{27103}}^1$

素因数の和:27177

約数の個数: 24

約数和(自身を含む): 51606016

約数和(自身を除く): 29815204

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 27103, 54206, 81309, 108412, 162618, 325236, 1815901, 3631802, 5447703, 7263604, 10895406, 21790812]

約数ペア:

[(1, 21790812), (2, 10895406), (3, 7263604), (4, 5447703), (6, 3631802), (12, 1815901), (67, 325236), (134, 162618), (201, 108412), (268, 81309), (402, 54206), (804, 27103)]