21200476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3517}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 40780656

約数和(自身を除く): 19580180

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 3517, 6028, 7034, 14068, 38687, 77374, 154748, 481829, 963658, 1927316, 5300119, 10600238, 21200476]

約数ペア:

[(1, 21200476), (2, 10600238), (4, 5300119), (11, 1927316), (22, 963658), (44, 481829), (137, 154748), (274, 77374), (548, 38687), (1507, 14068), (3014, 7034), (3517, 6028)]