21866346

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 27554454

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 149, 186, 263, 279, 298, 447, 526, 558, 789, 894, 1341, 1578, 2367, 2682, 4619, 4734, 8153, 9238, 13857, 16306, 24459, 27714, 39187, 41571, 48918, 73377, 78374, 83142, 117561, 146754, 235122, 352683, 705366, 1214797, 2429594, 3644391, 7288782, 10933173, 21866346]

約数ペア:

[(1, 21866346), (2, 10933173), (3, 7288782), (6, 3644391), (9, 2429594), (18, 1214797), (31, 705366), (62, 352683), (93, 235122), (149, 146754), (186, 117561), (263, 83142), (279, 78374), (298, 73377), (447, 48918), (526, 41571), (558, 39187), (789, 27714), (894, 24459), (1341, 16306), (1578, 13857), (2367, 9238), (2682, 8153), (4619, 4734)]