21993318

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{33023}}^1$

素因数の和:33068

約数の個数: 24

約数和(自身を含む): 48941568

約数和(自身を除く): 26948250

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 33023, 66046, 99069, 198138, 297207, 594414, 1221851, 2443702, 3665553, 7331106, 10996659, 21993318]

約数ペア:

[(1, 21993318), (2, 10996659), (3, 7331106), (6, 3665553), (9, 2443702), (18, 1221851), (37, 594414), (74, 297207), (111, 198138), (222, 99069), (333, 66046), (666, 33023)]