21775095

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1597}}^1$

素因数の和:1712

約数の個数: 32

約数和(自身を含む): 39119040

約数和(自身を除く): 17343945

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 303, 505, 909, 1515, 1597, 2727, 4545, 4791, 7985, 13635, 14373, 23955, 43119, 71865, 161297, 215595, 483891, 806485, 1451673, 2419455, 4355019, 7258365, 21775095]

約数ペア:

[(1, 21775095), (3, 7258365), (5, 4355019), (9, 2419455), (15, 1451673), (27, 806485), (45, 483891), (101, 215595), (135, 161297), (303, 71865), (505, 43119), (909, 23955), (1515, 14373), (1597, 13635), (2727, 7985), (4545, 4791)]