21794900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11471}}^1$

素因数の和:11504

約数の個数: 36

約数和(自身を含む): 49788480

約数和(自身を除く): 27993580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 11471, 22942, 45884, 57355, 114710, 217949, 229420, 286775, 435898, 573550, 871796, 1089745, 1147100, 2179490, 4358980, 5448725, 10897450, 21794900]

約数ペア:

[(1, 21794900), (2, 10897450), (4, 5448725), (5, 4358980), (10, 2179490), (19, 1147100), (20, 1089745), (25, 871796), (38, 573550), (50, 435898), (76, 286775), (95, 229420), (100, 217949), (190, 114710), (380, 57355), (475, 45884), (950, 22942), (1900, 11471)]