21437360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38281}}^1$

素因数の和:38301

約数の個数: 40

約数和(自身を含む): 56963616

約数和(自身を除く): 35526256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38281, 76562, 153124, 191405, 267967, 306248, 382810, 535934, 612496, 765620, 1071868, 1339835, 1531240, 2143736, 2679670, 3062480, 4287472, 5359340, 10718680, 21437360]

約数ペア:

[(1, 21437360), (2, 10718680), (4, 5359340), (5, 4287472), (7, 3062480), (8, 2679670), (10, 2143736), (14, 1531240), (16, 1339835), (20, 1071868), (28, 765620), (35, 612496), (40, 535934), (56, 382810), (70, 306248), (80, 267967), (112, 191405), (140, 153124), (280, 76562), (560, 38281)]