210821208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1249}}^1$

素因数の和:1812

約数の個数: 64

約数和(自身を含む): 569100000

約数和(自身を除く): 358278792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 541, 1082, 1249, 1623, 2164, 2498, 3246, 3747, 4328, 4996, 6492, 7033, 7494, 9992, 12984, 14066, 14988, 16237, 21099, 28132, 29976, 32474, 42198, 48711, 56264, 64948, 84396, 97422, 129896, 168792, 194844, 389688, 675709, 1351418, 2027127, 2702836, 4054254, 5405672, 8108508, 8784217, 16217016, 17568434, 26352651, 35136868, 52705302, 70273736, 105410604, 210821208]

約数ペア:

[(1, 210821208), (2, 105410604), (3, 70273736), (4, 52705302), (6, 35136868), (8, 26352651), (12, 17568434), (13, 16217016), (24, 8784217), (26, 8108508), (39, 5405672), (52, 4054254), (78, 2702836), (104, 2027127), (156, 1351418), (312, 675709), (541, 389688), (1082, 194844), (1249, 168792), (1623, 129896), (2164, 97422), (2498, 84396), (3246, 64948), (3747, 56264), (4328, 48711), (4996, 42198), (6492, 32474), (7033, 29976), (7494, 28132), (9992, 21099), (12984, 16237), (14066, 14988)]