21963825

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2503}}^1$

素因数の和:2535

約数の個数: 48

約数和(自身を含む): 43469440

約数和(自身を除く): 21505615

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2503, 2925, 7509, 8775, 12515, 22527, 32539, 37545, 62575, 67581, 97617, 112635, 162695, 187725, 292851, 337905, 488085, 563175, 813475, 878553, 1464255, 1689525, 2440425, 4392765, 7321275, 21963825]

約数ペア:

[(1, 21963825), (3, 7321275), (5, 4392765), (9, 2440425), (13, 1689525), (15, 1464255), (25, 878553), (27, 813475), (39, 563175), (45, 488085), (65, 337905), (75, 292851), (117, 187725), (135, 162695), (195, 112635), (225, 97617), (325, 67581), (351, 62575), (585, 37545), (675, 32539), (975, 22527), (1755, 12515), (2503, 8775), (2925, 7509)]