21554055

素因数分解:

$3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1039}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 37477440

約数和(自身を除く): 15923385

約数列:

[1, 3, 5, 9, 15, 45, 461, 1039, 1383, 2305, 3117, 4149, 5195, 6915, 9351, 15585, 20745, 46755, 478979, 1436937, 2394895, 4310811, 7184685, 21554055]

約数ペア:

[(1, 21554055), (3, 7184685), (5, 4310811), (9, 2394895), (15, 1436937), (45, 478979), (461, 46755), (1039, 20745), (1383, 15585), (2305, 9351), (3117, 6915), (4149, 5195)]