21242022095

素因数分解:

$5^1\times 7^2\times {\mathrm{1279}}^1\times {\mathrm{67789}}^1$

素因数の和:69087

約数の個数: 24

約数和(自身を含む): 29675750400

約数和(自身を除く): 8433728305

約数列:

[1, 5, 7, 35, 49, 245, 1279, 6395, 8953, 44765, 62671, 67789, 313355, 338945, 474523, 2372615, 3321661, 16608305, 86702131, 433510655, 606914917, 3034574585, 4248404419, 21242022095]

約数ペア:

[(1, 21242022095), (5, 4248404419), (7, 3034574585), (35, 606914917), (49, 433510655), (245, 86702131), (1279, 16608305), (6395, 3321661), (8953, 2372615), (44765, 474523), (62671, 338945), (67789, 313355)]