21744326

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14180794

約数列:

[1, 2, 17, 34, 43, 86, 107, 139, 214, 278, 731, 1462, 1819, 2363, 3638, 4601, 4726, 5977, 9202, 11954, 14873, 29746, 78217, 101609, 156434, 203218, 252841, 505682, 639539, 1279078, 10872163, 21744326]

約数ペア:

[(1, 21744326), (2, 10872163), (17, 1279078), (34, 639539), (43, 505682), (86, 252841), (107, 203218), (139, 156434), (214, 101609), (278, 78217), (731, 29746), (1462, 14873), (1819, 11954), (2363, 9202), (3638, 5977), (4601, 4726)]