21415678970379

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2213}}^1\times {\mathrm{434209}}^1$

素因数の和:436484

約数の個数: 64

約数和(自身を含む): 33223942886400

約数和(自身を除く): 11808263916021

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 323, 391, 437, 969, 1173, 1311, 2213, 6639, 7429, 22287, 37621, 42047, 50899, 112863, 126141, 152697, 434209, 714799, 865283, 967081, 1302627, 2144397, 2595849, 2901243, 7381553, 8249971, 9986807, 16440377, 22144659, 24749913, 29960421, 49321131, 140249507, 169775719, 189749333, 420748521, 509327157, 569247999, 960904517, 2882713551, 3225738661, 9677215983, 16335376789, 18257185823, 22100803891, 49006130367, 54771557469, 66302411673, 310372158991, 375713666147, 419915273929, 931116476973, 1127140998441, 1259745821787, 7138559656793, 21415678970379]

約数ペア:

[(1, 21415678970379), (3, 7138559656793), (17, 1259745821787), (19, 1127140998441), (23, 931116476973), (51, 419915273929), (57, 375713666147), (69, 310372158991), (323, 66302411673), (391, 54771557469), (437, 49006130367), (969, 22100803891), (1173, 18257185823), (1311, 16335376789), (2213, 9677215983), (6639, 3225738661), (7429, 2882713551), (22287, 960904517), (37621, 569247999), (42047, 509327157), (50899, 420748521), (112863, 189749333), (126141, 169775719), (152697, 140249507), (434209, 49321131), (714799, 29960421), (865283, 24749913), (967081, 22144659), (1302627, 16440377), (2144397, 9986807), (2595849, 8249971), (2901243, 7381553)]