21759512

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 42832800

約数和(自身を除く): 21073288

約数列:

[1, 2, 4, 8, 29, 58, 71, 116, 142, 232, 284, 568, 1321, 2059, 2642, 4118, 5284, 8236, 10568, 16472, 38309, 76618, 93791, 153236, 187582, 306472, 375164, 750328, 2719939, 5439878, 10879756, 21759512]

約数ペア:

[(1, 21759512), (2, 10879756), (4, 5439878), (8, 2719939), (29, 750328), (58, 375164), (71, 306472), (116, 187582), (142, 153236), (232, 93791), (284, 76618), (568, 38309), (1321, 16472), (2059, 10568), (2642, 8236), (4118, 5284)]