21522315

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 14039925

約数列:

[1, 3, 5, 15, 59, 83, 177, 249, 293, 295, 415, 879, 885, 1245, 1465, 4395, 4897, 14691, 17287, 24319, 24485, 51861, 72957, 73455, 86435, 121595, 259305, 364785, 1434821, 4304463, 7174105, 21522315]

約数ペア:

[(1, 21522315), (3, 7174105), (5, 4304463), (15, 1434821), (59, 364785), (83, 259305), (177, 121595), (249, 86435), (293, 73455), (295, 72957), (415, 51861), (879, 24485), (885, 24319), (1245, 17287), (1465, 14691), (4395, 4897)]