21000906408

素因数分解:

$2^3\times 3^1\times {\mathrm{14543}}^1\times {\mathrm{60169}}^1$

素因数の和:74721

約数の個数: 32

約数和(自身を含む): 52506748800

約数和(自身を除く): 31505842392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 14543, 29086, 43629, 58172, 60169, 87258, 116344, 120338, 174516, 180507, 240676, 349032, 361014, 481352, 722028, 1444056, 875037767, 1750075534, 2625113301, 3500151068, 5250226602, 7000302136, 10500453204, 21000906408]

約数ペア:

[(1, 21000906408), (2, 10500453204), (3, 7000302136), (4, 5250226602), (6, 3500151068), (8, 2625113301), (12, 1750075534), (24, 875037767), (14543, 1444056), (29086, 722028), (43629, 481352), (58172, 361014), (60169, 349032), (87258, 240676), (116344, 180507), (120338, 174516)]