21374248

素因数分解:

$2^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1597}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 46022400

約数和(自身を除く): 24648152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239, 478, 956, 1597, 1673, 1912, 3194, 3346, 6388, 6692, 11179, 12776, 13384, 22358, 44716, 89432, 381683, 763366, 1526732, 2671781, 3053464, 5343562, 10687124, 21374248]

約数ペア:

[(1, 21374248), (2, 10687124), (4, 5343562), (7, 3053464), (8, 2671781), (14, 1526732), (28, 763366), (56, 381683), (239, 89432), (478, 44716), (956, 22358), (1597, 13384), (1673, 12776), (1912, 11179), (3194, 6692), (3346, 6388)]