21504472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5683}}^1$

素因数の和:5743

約数の個数: 32

約数和(自身を含む): 45017280

約数和(自身を除く): 23512808

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5683, 11366, 22732, 45464, 62513, 125026, 244369, 250052, 488738, 500104, 977476, 1954952, 2688059, 5376118, 10752236, 21504472]

約数ペア:

[(1, 21504472), (2, 10752236), (4, 5376118), (8, 2688059), (11, 1954952), (22, 977476), (43, 500104), (44, 488738), (86, 250052), (88, 244369), (172, 125026), (344, 62513), (473, 45464), (946, 22732), (1892, 11366), (3784, 5683)]