21271620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8647}}^1$

素因数の和:8700

約数の個数: 48

約数和(自身を含む): 61020288

約数和(自身を除く): 39748668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8647, 17294, 25941, 34588, 43235, 51882, 86470, 103764, 129705, 172940, 259410, 354527, 518820, 709054, 1063581, 1418108, 1772635, 2127162, 3545270, 4254324, 5317905, 7090540, 10635810, 21271620]

約数ペア:

[(1, 21271620), (2, 10635810), (3, 7090540), (4, 5317905), (5, 4254324), (6, 3545270), (10, 2127162), (12, 1772635), (15, 1418108), (20, 1063581), (30, 709054), (41, 518820), (60, 354527), (82, 259410), (123, 172940), (164, 129705), (205, 103764), (246, 86470), (410, 51882), (492, 43235), (615, 34588), (820, 25941), (1230, 17294), (2460, 8647)]