21657816

素因数分解:

$2^3\times 3^2\times {\mathrm{233}}^1\times {\mathrm{1291}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 58953960

約数和(自身を除く): 37296144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 233, 466, 699, 932, 1291, 1398, 1864, 2097, 2582, 2796, 3873, 4194, 5164, 5592, 7746, 8388, 10328, 11619, 15492, 16776, 23238, 30984, 46476, 92952, 300803, 601606, 902409, 1203212, 1804818, 2406424, 2707227, 3609636, 5414454, 7219272, 10828908, 21657816]

約数ペア:

[(1, 21657816), (2, 10828908), (3, 7219272), (4, 5414454), (6, 3609636), (8, 2707227), (9, 2406424), (12, 1804818), (18, 1203212), (24, 902409), (36, 601606), (72, 300803), (233, 92952), (466, 46476), (699, 30984), (932, 23238), (1291, 16776), (1398, 15492), (1864, 11619), (2097, 10328), (2582, 8388), (2796, 7746), (3873, 5592), (4194, 5164)]