21548748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2939}}^1$

素因数の和:3006

約数の個数: 48

約数和(自身を含む): 55319040

約数和(自身を除く): 33770292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 2939, 3666, 5878, 7332, 8817, 11756, 17634, 35268, 38207, 76414, 114621, 138133, 152828, 229242, 276266, 414399, 458484, 552532, 828798, 1657596, 1795729, 3591458, 5387187, 7182916, 10774374, 21548748]

約数ペア:

[(1, 21548748), (2, 10774374), (3, 7182916), (4, 5387187), (6, 3591458), (12, 1795729), (13, 1657596), (26, 828798), (39, 552532), (47, 458484), (52, 414399), (78, 276266), (94, 229242), (141, 152828), (156, 138133), (188, 114621), (282, 76414), (564, 38207), (611, 35268), (1222, 17634), (1833, 11756), (2444, 8817), (2939, 7332), (3666, 5878)]