21597064

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 20393336

約数列:

[1, 2, 4, 8, 47, 71, 94, 142, 188, 284, 376, 568, 809, 1618, 3236, 3337, 6472, 6674, 13348, 26696, 38023, 57439, 76046, 114878, 152092, 229756, 304184, 459512, 2699633, 5399266, 10798532, 21597064]

約数ペア:

[(1, 21597064), (2, 10798532), (4, 5399266), (8, 2699633), (47, 459512), (71, 304184), (94, 229756), (142, 152092), (188, 114878), (284, 76046), (376, 57439), (568, 38023), (809, 26696), (1618, 13348), (3236, 6674), (3337, 6472)]