21430416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63781}}^1$

素因数の和:63799

約数の個数: 40

約数和(自身を含む): 63271744

約数和(自身を除く): 41841328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63781, 127562, 191343, 255124, 382686, 446467, 510248, 765372, 892934, 1020496, 1339401, 1530744, 1785868, 2678802, 3061488, 3571736, 5357604, 7143472, 10715208, 21430416]

約数ペア:

[(1, 21430416), (2, 10715208), (3, 7143472), (4, 5357604), (6, 3571736), (7, 3061488), (8, 2678802), (12, 1785868), (14, 1530744), (16, 1339401), (21, 1020496), (24, 892934), (28, 765372), (42, 510248), (48, 446467), (56, 382686), (84, 255124), (112, 191343), (168, 127562), (336, 63781)]