21244972

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6961}}^1$

素因数の和:7081

約数の個数: 24

約数和(自身を含む): 42885920

約数和(自身を除く): 21640948

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6961, 13922, 27844, 48727, 97454, 194908, 758749, 1517498, 3034996, 5311243, 10622486, 21244972]

約数ペア:

[(1, 21244972), (2, 10622486), (4, 5311243), (7, 3034996), (14, 1517498), (28, 758749), (109, 194908), (218, 97454), (436, 48727), (763, 27844), (1526, 13922), (3052, 6961)]