21921464

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2389}}^1$

素因数の和:2463

約数の個数: 32

約数和(自身を含む): 43593600

約数和(自身を除く): 21672136

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2294, 2389, 4588, 4778, 9176, 9556, 19112, 74059, 88393, 148118, 176786, 296236, 353572, 592472, 707144, 2740183, 5480366, 10960732, 21921464]

約数ペア:

[(1, 21921464), (2, 10960732), (4, 5480366), (8, 2740183), (31, 707144), (37, 592472), (62, 353572), (74, 296236), (124, 176786), (148, 148118), (248, 88393), (296, 74059), (1147, 19112), (2294, 9556), (2389, 9176), (4588, 4778)]