2021176205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{863}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 2594073600

約数和(自身を除く): 572897395

約数列:

[1, 5, 19, 89, 95, 277, 445, 863, 1385, 1691, 4315, 5263, 8455, 16397, 24653, 26315, 76807, 81985, 123265, 239051, 384035, 468407, 1195255, 1459333, 2342035, 4541969, 7296665, 21275539, 22709845, 106377695, 404235241, 2021176205]

約数ペア:

[(1, 2021176205), (5, 404235241), (19, 106377695), (89, 22709845), (95, 21275539), (277, 7296665), (445, 4541969), (863, 2342035), (1385, 1459333), (1691, 1195255), (4315, 468407), (5263, 384035), (8455, 239051), (16397, 123265), (24653, 81985), (26315, 76807)]