21204846

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90619}}^1$

素因数の和:90640

約数の個数: 24

約数和(自身を含む): 49478520

約数和(自身を除く): 28273674

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90619, 181238, 271857, 543714, 815571, 1178047, 1631142, 2356094, 3534141, 7068282, 10602423, 21204846]

約数ペア:

[(1, 21204846), (2, 10602423), (3, 7068282), (6, 3534141), (9, 2356094), (13, 1631142), (18, 1178047), (26, 815571), (39, 543714), (78, 271857), (117, 181238), (234, 90619)]