21473764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11161}}^1$

素因数の和:11215

約数の個数: 24

約数和(自身を含む): 41567288

約数和(自身を除く): 20093524

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11161, 22322, 44644, 145093, 290186, 412957, 580372, 825914, 1651828, 5368441, 10736882, 21473764]

約数ペア:

[(1, 21473764), (2, 10736882), (4, 5368441), (13, 1651828), (26, 825914), (37, 580372), (52, 412957), (74, 290186), (148, 145093), (481, 44644), (962, 22322), (1924, 11161)]