21210960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88379}}^1$

素因数の和:88395

約数の個数: 40

約数和(自身を含む): 65754720

約数和(自身を除く): 44543760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88379, 176758, 265137, 353516, 441895, 530274, 707032, 883790, 1060548, 1325685, 1414064, 1767580, 2121096, 2651370, 3535160, 4242192, 5302740, 7070320, 10605480, 21210960]

約数ペア:

[(1, 21210960), (2, 10605480), (3, 7070320), (4, 5302740), (5, 4242192), (6, 3535160), (8, 2651370), (10, 2121096), (12, 1767580), (15, 1414064), (16, 1325685), (20, 1060548), (24, 883790), (30, 707032), (40, 530274), (48, 441895), (60, 353516), (80, 265137), (120, 176758), (240, 88379)]