21000929000

素因数分解:

$2^3\times 5^3\times {\mathrm{151}}^1\times {\mathrm{139079}}^1$

素因数の和:139251

約数の個数: 64

約数和(自身を含む): 49467974400

約数和(自身を除く): 28467045400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 151, 200, 250, 302, 500, 604, 755, 1000, 1208, 1510, 3020, 3775, 6040, 7550, 15100, 18875, 30200, 37750, 75500, 139079, 151000, 278158, 556316, 695395, 1112632, 1390790, 2781580, 3476975, 5563160, 6953950, 13907900, 17384875, 21000929, 27815800, 34769750, 42001858, 69539500, 84003716, 105004645, 139079000, 168007432, 210009290, 420018580, 525023225, 840037160, 1050046450, 2100092900, 2625116125, 4200185800, 5250232250, 10500464500, 21000929000]

約数ペア:

[(1, 21000929000), (2, 10500464500), (4, 5250232250), (5, 4200185800), (8, 2625116125), (10, 2100092900), (20, 1050046450), (25, 840037160), (40, 525023225), (50, 420018580), (100, 210009290), (125, 168007432), (151, 139079000), (200, 105004645), (250, 84003716), (302, 69539500), (500, 42001858), (604, 34769750), (755, 27815800), (1000, 21000929), (1208, 17384875), (1510, 13907900), (3020, 6953950), (3775, 5563160), (6040, 3476975), (7550, 2781580), (15100, 1390790), (18875, 1112632), (30200, 695395), (37750, 556316), (75500, 278158), (139079, 151000)]