21886634

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 42353280

約数和(自身を除く): 20466646

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 79, 98, 154, 158, 257, 514, 539, 553, 869, 1078, 1106, 1738, 1799, 2827, 3598, 3871, 5654, 6083, 7742, 12166, 12593, 19789, 20303, 25186, 39578, 40606, 42581, 85162, 138523, 142121, 223333, 277046, 284242, 446666, 994847, 1563331, 1989694, 3126662, 10943317, 21886634]

約数ペア:

[(1, 21886634), (2, 10943317), (7, 3126662), (11, 1989694), (14, 1563331), (22, 994847), (49, 446666), (77, 284242), (79, 277046), (98, 223333), (154, 142121), (158, 138523), (257, 85162), (514, 42581), (539, 40606), (553, 39578), (869, 25186), (1078, 20303), (1106, 19789), (1738, 12593), (1799, 12166), (2827, 7742), (3598, 6083), (3871, 5654)]