21044350

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13577}}^1$

素因数の和:13620

約数の個数: 24

約数和(自身を含む): 40408128

約数和(自身を除く): 19363778

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13577, 27154, 67885, 135770, 339425, 420887, 678850, 841774, 2104435, 4208870, 10522175, 21044350]

約数ペア:

[(1, 21044350), (2, 10522175), (5, 4208870), (10, 2104435), (25, 841774), (31, 678850), (50, 420887), (62, 339425), (155, 135770), (310, 67885), (775, 27154), (1550, 13577)]