21914960

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4643}}^1$

素因数の和:4715

約数の個数: 40

約数和(自身を含む): 51827040

約数和(自身を除く): 29912080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4643, 4720, 9286, 18572, 23215, 37144, 46430, 74288, 92860, 185720, 273937, 371440, 547874, 1095748, 1369685, 2191496, 2739370, 4382992, 5478740, 10957480, 21914960]

約数ペア:

[(1, 21914960), (2, 10957480), (4, 5478740), (5, 4382992), (8, 2739370), (10, 2191496), (16, 1369685), (20, 1095748), (40, 547874), (59, 371440), (80, 273937), (118, 185720), (236, 92860), (295, 74288), (472, 46430), (590, 37144), (944, 23215), (1180, 18572), (2360, 9286), (4643, 4720)]