21091313894

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{102061}}^1$

素因数の和:102608

約数の個数: 32

約数和(自身を含む): 37477166400

約数和(自身を除く): 16385852506

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 509, 1018, 3563, 7126, 14761, 29522, 102061, 103327, 204122, 206654, 714427, 1428854, 2959769, 5919538, 20718383, 41436766, 51949049, 103898098, 363643343, 727286686, 1506522421, 3013044842, 10545656947, 21091313894]

約数ペア:

[(1, 21091313894), (2, 10545656947), (7, 3013044842), (14, 1506522421), (29, 727286686), (58, 363643343), (203, 103898098), (406, 51949049), (509, 41436766), (1018, 20718383), (3563, 5919538), (7126, 2959769), (14761, 1428854), (29522, 714427), (102061, 206654), (103327, 204122)]