21610854

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 28950426

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 43, 54, 82, 86, 123, 129, 227, 246, 258, 369, 387, 454, 681, 738, 774, 1107, 1161, 1362, 1763, 2043, 2214, 2322, 3526, 4086, 5289, 6129, 9307, 9761, 10578, 12258, 15867, 18614, 19522, 27921, 29283, 31734, 47601, 55842, 58566, 83763, 87849, 95202, 167526, 175698, 251289, 263547, 400201, 502578, 527094, 800402, 1200603, 2401206, 3601809, 7203618, 10805427, 21610854]

約数ペア:

[(1, 21610854), (2, 10805427), (3, 7203618), (6, 3601809), (9, 2401206), (18, 1200603), (27, 800402), (41, 527094), (43, 502578), (54, 400201), (82, 263547), (86, 251289), (123, 175698), (129, 167526), (227, 95202), (246, 87849), (258, 83763), (369, 58566), (387, 55842), (454, 47601), (681, 31734), (738, 29283), (774, 27921), (1107, 19522), (1161, 18614), (1362, 15867), (1763, 12258), (2043, 10578), (2214, 9761), (2322, 9307), (3526, 6129), (4086, 5289)]