21020755002

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1\times {\mathrm{259381}}^1$

素因数の和:260438

約数の個数: 32

約数和(自身を含む): 45319223040

約数和(自身を除く): 24298468038

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1039, 2078, 3117, 6234, 13507, 27014, 40521, 81042, 259381, 518762, 778143, 1556286, 3371953, 6743906, 10115859, 20231718, 269496859, 538993718, 808490577, 1616981154, 3503459167, 7006918334, 10510377501, 21020755002]

約数ペア:

[(1, 21020755002), (2, 10510377501), (3, 7006918334), (6, 3503459167), (13, 1616981154), (26, 808490577), (39, 538993718), (78, 269496859), (1039, 20231718), (2078, 10115859), (3117, 6743906), (6234, 3371953), (13507, 1556286), (27014, 778143), (40521, 518762), (81042, 259381)]