21880034

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 37160640

約数和(自身を除く): 15280606

約数列:

[1, 2, 11, 22, 43, 86, 101, 202, 229, 458, 473, 946, 1111, 2222, 2519, 4343, 5038, 8686, 9847, 19694, 23129, 46258, 47773, 95546, 108317, 216634, 254419, 508838, 994547, 1989094, 10940017, 21880034]

約数ペア:

[(1, 21880034), (2, 10940017), (11, 1989094), (22, 994547), (43, 508838), (86, 254419), (101, 216634), (202, 108317), (229, 95546), (458, 47773), (473, 46258), (946, 23129), (1111, 19694), (2222, 9847), (2519, 8686), (4343, 5038)]