21845505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3079}}^1$

素因数の和:3141

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 17184255

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 3079, 7095, 9237, 15395, 33869, 46185, 101607, 132397, 169345, 397191, 508035, 661985, 1456367, 1985955, 4369101, 7281835, 21845505]

約数ペア:

[(1, 21845505), (3, 7281835), (5, 4369101), (11, 1985955), (15, 1456367), (33, 661985), (43, 508035), (55, 397191), (129, 169345), (165, 132397), (215, 101607), (473, 46185), (645, 33869), (1419, 15395), (2365, 9237), (3079, 7095)]