21054270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22639}}^1$

素因数の和:22680

約数の個数: 32

約数和(自身を含む): 52162560

約数和(自身を除く): 31108290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22639, 45278, 67917, 113195, 135834, 226390, 339585, 679170, 701809, 1403618, 2105427, 3509045, 4210854, 7018090, 10527135, 21054270]

約数ペア:

[(1, 21054270), (2, 10527135), (3, 7018090), (5, 4210854), (6, 3509045), (10, 2105427), (15, 1403618), (30, 701809), (31, 679170), (62, 339585), (93, 226390), (155, 135834), (186, 113195), (310, 67917), (465, 45278), (930, 22639)]