21086248

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 41365800

約数和(自身を除く): 20279552

約数列:

[1, 2, 4, 8, 29, 58, 97, 116, 194, 232, 388, 776, 937, 1874, 2813, 3748, 5626, 7496, 11252, 22504, 27173, 54346, 90889, 108692, 181778, 217384, 363556, 727112, 2635781, 5271562, 10543124, 21086248]

約数ペア:

[(1, 21086248), (2, 10543124), (4, 5271562), (8, 2635781), (29, 727112), (58, 363556), (97, 217384), (116, 181778), (194, 108692), (232, 90889), (388, 54346), (776, 27173), (937, 22504), (1874, 11252), (2813, 7496), (3748, 5626)]