21552873220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1873}}^1\times {\mathrm{7283}}^1$

素因数の和:9244

約数の個数: 48

約数和(自身を含む): 45864725760

約数和(自身を除く): 24311852540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1873, 3746, 7283, 7492, 9365, 14566, 18730, 29132, 36415, 37460, 72830, 145660, 147967, 295934, 575357, 591868, 739835, 1150714, 1479670, 2301428, 2876785, 2959340, 5753570, 11507140, 13641059, 27282118, 54564236, 68205295, 136410590, 272821180, 1077643661, 2155287322, 4310574644, 5388218305, 10776436610, 21552873220]

約数ペア:

[(1, 21552873220), (2, 10776436610), (4, 5388218305), (5, 4310574644), (10, 2155287322), (20, 1077643661), (79, 272821180), (158, 136410590), (316, 68205295), (395, 54564236), (790, 27282118), (1580, 13641059), (1873, 11507140), (3746, 5753570), (7283, 2959340), (7492, 2876785), (9365, 2301428), (14566, 1479670), (18730, 1150714), (29132, 739835), (36415, 591868), (37460, 575357), (72830, 295934), (145660, 147967)]