20210748474

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1571}}^1\times {\mathrm{1951}}^1$

素因数の和:3691

約数の個数: 64

約数和(自身を含む): 46543675392

約数和(自身を除く): 26332926918

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 157, 314, 471, 942, 1099, 1571, 1951, 2198, 3142, 3297, 3902, 4713, 5853, 6594, 9426, 10997, 11706, 13657, 21994, 27314, 32991, 40971, 65982, 81942, 246647, 306307, 493294, 612614, 739941, 918921, 1479882, 1726529, 1837842, 2144149, 3065021, 3453058, 4288298, 5179587, 6130042, 6432447, 9195063, 10359174, 12864894, 18390126, 21455147, 42910294, 64365441, 128730882, 481208297, 962416594, 1443624891, 2887249782, 3368458079, 6736916158, 10105374237, 20210748474]

約数ペア:

[(1, 20210748474), (2, 10105374237), (3, 6736916158), (6, 3368458079), (7, 2887249782), (14, 1443624891), (21, 962416594), (42, 481208297), (157, 128730882), (314, 64365441), (471, 42910294), (942, 21455147), (1099, 18390126), (1571, 12864894), (1951, 10359174), (2198, 9195063), (3142, 6432447), (3297, 6130042), (3902, 5179587), (4713, 4288298), (5853, 3453058), (6594, 3065021), (9426, 2144149), (10997, 1837842), (11706, 1726529), (13657, 1479882), (21994, 918921), (27314, 739941), (32991, 612614), (40971, 493294), (65982, 306307), (81942, 246647)]