21355590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22963}}^1$

素因数の和:23004

約数の個数: 32

約数和(自身を含む): 52909056

約数和(自身を除く): 31553466

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22963, 45926, 68889, 114815, 137778, 229630, 344445, 688890, 711853, 1423706, 2135559, 3559265, 4271118, 7118530, 10677795, 21355590]

約数ペア:

[(1, 21355590), (2, 10677795), (3, 7118530), (5, 4271118), (6, 3559265), (10, 2135559), (15, 1423706), (30, 711853), (31, 688890), (62, 344445), (93, 229630), (155, 137778), (186, 114815), (310, 68889), (465, 45926), (930, 22963)]