21801910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5783}}^1$

素因数の和:5832

約数の個数: 32

約数和(自身を含む): 43727040

約数和(自身を除く): 21925130

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5783, 11566, 28915, 57830, 75179, 150358, 167707, 335414, 375895, 751790, 838535, 1677070, 2180191, 4360382, 10900955, 21801910]

約数ペア:

[(1, 21801910), (2, 10900955), (5, 4360382), (10, 2180191), (13, 1677070), (26, 838535), (29, 751790), (58, 375895), (65, 335414), (130, 167707), (145, 150358), (290, 75179), (377, 57830), (754, 28915), (1885, 11566), (3770, 5783)]