21268848

素因数分解:

$2^4\times 3^1\times {\mathrm{223}}^1\times {\mathrm{1987}}^1$

素因数の和:2221

約数の個数: 40

約数和(自身を含む): 55218688

約数和(自身を除く): 33949840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 223, 446, 669, 892, 1338, 1784, 1987, 2676, 3568, 3974, 5352, 5961, 7948, 10704, 11922, 15896, 23844, 31792, 47688, 95376, 443101, 886202, 1329303, 1772404, 2658606, 3544808, 5317212, 7089616, 10634424, 21268848]

約数ペア:

[(1, 21268848), (2, 10634424), (3, 7089616), (4, 5317212), (6, 3544808), (8, 2658606), (12, 1772404), (16, 1329303), (24, 886202), (48, 443101), (223, 95376), (446, 47688), (669, 31792), (892, 23844), (1338, 15896), (1784, 11922), (1987, 10704), (2676, 7948), (3568, 5961), (3974, 5352)]