21851330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{6053}}^1$

素因数の和:6098

約数の個数: 24

約数和(自身を含む): 41518332

約数和(自身を除く): 19667002

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 6053, 12106, 30265, 60530, 115007, 230014, 575035, 1150070, 2185133, 4370266, 10925665, 21851330]

約数ペア:

[(1, 21851330), (2, 10925665), (5, 4370266), (10, 2185133), (19, 1150070), (38, 575035), (95, 230014), (190, 115007), (361, 60530), (722, 30265), (1805, 12106), (3610, 6053)]