21203294

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40933}}^1$

素因数の和:40979

約数の個数: 16

約数和(自身を含む): 37331808

約数和(自身を除く): 16128514

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40933, 81866, 286531, 573062, 1514521, 3029042, 10601647, 21203294]

約数ペア:

[(1, 21203294), (2, 10601647), (7, 3029042), (14, 1514521), (37, 573062), (74, 286531), (259, 81866), (518, 40933)]