21465470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1013}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 41906592

約数和(自身を除く): 20441122

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1013, 1630, 2026, 2119, 4238, 5065, 10130, 10595, 13169, 21190, 26338, 65845, 131690, 165119, 330238, 825595, 1651190, 2146547, 4293094, 10732735, 21465470]

約数ペア:

[(1, 21465470), (2, 10732735), (5, 4293094), (10, 2146547), (13, 1651190), (26, 825595), (65, 330238), (130, 165119), (163, 131690), (326, 65845), (815, 26338), (1013, 21190), (1630, 13169), (2026, 10595), (2119, 10130), (4238, 5065)]