21829100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11489}}^1$

素因数の和:11522

約数の個数: 36

約数和(自身を含む): 49866600

約数和(自身を除く): 28037500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 11489, 22978, 45956, 57445, 114890, 218291, 229780, 287225, 436582, 574450, 873164, 1091455, 1148900, 2182910, 4365820, 5457275, 10914550, 21829100]

約数ペア:

[(1, 21829100), (2, 10914550), (4, 5457275), (5, 4365820), (10, 2182910), (19, 1148900), (20, 1091455), (25, 873164), (38, 574450), (50, 436582), (76, 287225), (95, 229780), (100, 218291), (190, 114890), (380, 57445), (475, 45956), (950, 22978), (1900, 11489)]