21048895600

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1223773}}^1$

素因数の和:1223834

約数の個数: 60

約数和(自身を含む): 51746059816

約数和(自身を除く): 30697164216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1720, 2150, 3440, 4300, 8600, 17200, 1223773, 2447546, 4895092, 6118865, 9790184, 12237730, 19580368, 24475460, 30594325, 48950920, 52622239, 61188650, 97901840, 105244478, 122377300, 210488956, 244754600, 263111195, 420977912, 489509200, 526222390, 841955824, 1052444780, 1315555975, 2104889560, 2631111950, 4209779120, 5262223900, 10524447800, 21048895600]

約数ペア:

[(1, 21048895600), (2, 10524447800), (4, 5262223900), (5, 4209779120), (8, 2631111950), (10, 2104889560), (16, 1315555975), (20, 1052444780), (25, 841955824), (40, 526222390), (43, 489509200), (50, 420977912), (80, 263111195), (86, 244754600), (100, 210488956), (172, 122377300), (200, 105244478), (215, 97901840), (344, 61188650), (400, 52622239), (430, 48950920), (688, 30594325), (860, 24475460), (1075, 19580368), (1720, 12237730), (2150, 9790184), (3440, 6118865), (4300, 4895092), (8600, 2447546), (17200, 1223773)]