21034360

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1373}}^1$

素因数の和:1767

約数の個数: 32

約数和(自身を含む): 47485440

約数和(自身を除く): 26451080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1373, 1532, 1915, 2746, 3064, 3830, 5492, 6865, 7660, 10984, 13730, 15320, 27460, 54920, 525859, 1051718, 2103436, 2629295, 4206872, 5258590, 10517180, 21034360]

約数ペア:

[(1, 21034360), (2, 10517180), (4, 5258590), (5, 4206872), (8, 2629295), (10, 2103436), (20, 1051718), (40, 525859), (383, 54920), (766, 27460), (1373, 15320), (1532, 13730), (1915, 10984), (2746, 7660), (3064, 6865), (3830, 5492)]