21215704

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4813}}^1$

素因数の和:4867

約数の個数: 32

約数和(自身を含む): 43326000

約数和(自身を除く): 22110296

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4813, 9626, 19252, 38504, 91447, 139577, 182894, 279154, 365788, 558308, 731576, 1116616, 2651963, 5303926, 10607852, 21215704]

約数ペア:

[(1, 21215704), (2, 10607852), (4, 5303926), (8, 2651963), (19, 1116616), (29, 731576), (38, 558308), (58, 365788), (76, 279154), (116, 182894), (152, 139577), (232, 91447), (551, 38504), (1102, 19252), (2204, 9626), (4408, 4813)]