21082410

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 56799360

約数和(自身を除く): 35716950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 113, 135, 226, 270, 339, 565, 678, 691, 1017, 1130, 1382, 1695, 2034, 2073, 3051, 3390, 3455, 4146, 5085, 6102, 6219, 6910, 10170, 10365, 12438, 15255, 18657, 20730, 30510, 31095, 37314, 62190, 78083, 93285, 156166, 186570, 234249, 390415, 468498, 702747, 780830, 1171245, 1405494, 2108241, 2342490, 3513735, 4216482, 7027470, 10541205, 21082410]

約数ペア:

[(1, 21082410), (2, 10541205), (3, 7027470), (5, 4216482), (6, 3513735), (9, 2342490), (10, 2108241), (15, 1405494), (18, 1171245), (27, 780830), (30, 702747), (45, 468498), (54, 390415), (90, 234249), (113, 186570), (135, 156166), (226, 93285), (270, 78083), (339, 62190), (565, 37314), (678, 31095), (691, 30510), (1017, 20730), (1130, 18657), (1382, 15255), (1695, 12438), (2034, 10365), (2073, 10170), (3051, 6910), (3390, 6219), (3455, 6102), (4146, 5085)]