21229121108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{87589}}^1$

素因数の和:87744

約数の個数: 48

約数和(自身を含む): 41202336000

約数和(自身を除く): 19973214892

約数列:

[1, 2, 4, 13, 26, 52, 59, 79, 118, 158, 236, 316, 767, 1027, 1534, 2054, 3068, 4108, 4661, 9322, 18644, 60593, 87589, 121186, 175178, 242372, 350356, 1138657, 2277314, 4554628, 5167751, 6919531, 10335502, 13839062, 20671004, 27678124, 67180763, 89953903, 134361526, 179907806, 268723052, 359815612, 408252329, 816504658, 1633009316, 5307280277, 10614560554, 21229121108]

約数ペア:

[(1, 21229121108), (2, 10614560554), (4, 5307280277), (13, 1633009316), (26, 816504658), (52, 408252329), (59, 359815612), (79, 268723052), (118, 179907806), (158, 134361526), (236, 89953903), (316, 67180763), (767, 27678124), (1027, 20671004), (1534, 13839062), (2054, 10335502), (3068, 6919531), (4108, 5167751), (4661, 4554628), (9322, 2277314), (18644, 1138657), (60593, 350356), (87589, 242372), (121186, 175178)]