21251612

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1283}}^1$

素因数の和:1429

約数の個数: 24

約数和(自身を含む): 38504592

約数和(自身を除く): 17252980

約数列:

[1, 2, 4, 41, 82, 101, 164, 202, 404, 1283, 2566, 4141, 5132, 8282, 16564, 52603, 105206, 129583, 210412, 259166, 518332, 5312903, 10625806, 21251612]

約数ペア:

[(1, 21251612), (2, 10625806), (4, 5312903), (41, 518332), (82, 259166), (101, 210412), (164, 129583), (202, 105206), (404, 52603), (1283, 16564), (2566, 8282), (4141, 5132)]