21730056

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 56121600

約数和(自身を除く): 34391544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 79, 146, 157, 158, 219, 237, 292, 314, 316, 438, 471, 474, 584, 628, 632, 876, 942, 948, 1256, 1752, 1884, 1896, 3768, 5767, 11461, 11534, 12403, 17301, 22922, 23068, 24806, 34383, 34602, 37209, 45844, 46136, 49612, 68766, 69204, 74418, 91688, 99224, 137532, 138408, 148836, 275064, 297672, 905419, 1810838, 2716257, 3621676, 5432514, 7243352, 10865028, 21730056]

約数ペア:

[(1, 21730056), (2, 10865028), (3, 7243352), (4, 5432514), (6, 3621676), (8, 2716257), (12, 1810838), (24, 905419), (73, 297672), (79, 275064), (146, 148836), (157, 138408), (158, 137532), (219, 99224), (237, 91688), (292, 74418), (314, 69204), (316, 68766), (438, 49612), (471, 46136), (474, 45844), (584, 37209), (628, 34602), (632, 34383), (876, 24806), (942, 23068), (948, 22922), (1256, 17301), (1752, 12403), (1884, 11534), (1896, 11461), (3768, 5767)]