21744190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9839}}^1$

素因数の和:9876

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 22890050

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9839, 19678, 49195, 98390, 127907, 167263, 255814, 334526, 639535, 836315, 1279070, 1672630, 2174419, 4348838, 10872095, 21744190]

約数ペア:

[(1, 21744190), (2, 10872095), (5, 4348838), (10, 2174419), (13, 1672630), (17, 1279070), (26, 836315), (34, 639535), (65, 334526), (85, 255814), (130, 167263), (170, 127907), (221, 98390), (442, 49195), (1105, 19678), (2210, 9839)]