21350672

素因数分解:

$2^4\times 7^2\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:376

約数の個数: 60

約数和(自身を含む): 48747996

約数和(自身を除く): 27397324

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 113, 196, 226, 241, 392, 452, 482, 784, 791, 904, 964, 1582, 1687, 1808, 1928, 3164, 3374, 3856, 5537, 6328, 6748, 11074, 11809, 12656, 13496, 22148, 23618, 26992, 27233, 44296, 47236, 54466, 88592, 94472, 108932, 188944, 190631, 217864, 381262, 435728, 762524, 1334417, 1525048, 2668834, 3050096, 5337668, 10675336, 21350672]

約数ペア:

[(1, 21350672), (2, 10675336), (4, 5337668), (7, 3050096), (8, 2668834), (14, 1525048), (16, 1334417), (28, 762524), (49, 435728), (56, 381262), (98, 217864), (112, 190631), (113, 188944), (196, 108932), (226, 94472), (241, 88592), (392, 54466), (452, 47236), (482, 44296), (784, 27233), (791, 26992), (904, 23618), (964, 22148), (1582, 13496), (1687, 12656), (1808, 11809), (1928, 11074), (3164, 6748), (3374, 6328), (3856, 5537)]