21359548

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1951}}^1$

素因数の和:2002

約数の個数: 48

約数和(自身を含む): 47222784

約数和(自身を除く): 25863236

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 1951, 2737, 3902, 5474, 7804, 10948, 13657, 27314, 33167, 44873, 54628, 66334, 89746, 132668, 179492, 232169, 314111, 464338, 628222, 762841, 928676, 1256444, 1525682, 3051364, 5339887, 10679774, 21359548]

約数ペア:

[(1, 21359548), (2, 10679774), (4, 5339887), (7, 3051364), (14, 1525682), (17, 1256444), (23, 928676), (28, 762841), (34, 628222), (46, 464338), (68, 314111), (92, 232169), (119, 179492), (161, 132668), (238, 89746), (322, 66334), (391, 54628), (476, 44873), (644, 33167), (782, 27314), (1564, 13657), (1951, 10948), (2737, 7804), (3902, 5474)]