21118248

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2239}}^1$

素因数の和:2382

約数の個数: 48

約数和(自身を含む): 57657600

約数和(自身を除く): 36539352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2239, 2358, 3144, 4478, 4716, 6717, 8956, 9432, 13434, 17912, 20151, 26868, 40302, 53736, 80604, 161208, 293309, 586618, 879927, 1173236, 1759854, 2346472, 2639781, 3519708, 5279562, 7039416, 10559124, 21118248]

約数ペア:

[(1, 21118248), (2, 10559124), (3, 7039416), (4, 5279562), (6, 3519708), (8, 2639781), (9, 2346472), (12, 1759854), (18, 1173236), (24, 879927), (36, 586618), (72, 293309), (131, 161208), (262, 80604), (393, 53736), (524, 40302), (786, 26868), (1048, 20151), (1179, 17912), (1572, 13434), (2239, 9432), (2358, 8956), (3144, 6717), (4478, 4716)]