21747050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33457}}^1$

素因数の和:33482

約数の個数: 24

約数和(自身を含む): 43562316

約数和(自身を除く): 21815266

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33457, 66914, 167285, 334570, 434941, 836425, 869882, 1672850, 2174705, 4349410, 10873525, 21747050]

約数ペア:

[(1, 21747050), (2, 10873525), (5, 4349410), (10, 2174705), (13, 1672850), (25, 869882), (26, 836425), (50, 434941), (65, 334570), (130, 167285), (325, 66914), (650, 33457)]