21037412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16487}}^1$

素因数の和:16531

約数の個数: 24

約数和(自身を含む): 41549760

約数和(自身を除く): 20512348

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16487, 32974, 65948, 181357, 362714, 478123, 725428, 956246, 1912492, 5259353, 10518706, 21037412]

約数ペア:

[(1, 21037412), (2, 10518706), (4, 5259353), (11, 1912492), (22, 956246), (29, 725428), (44, 478123), (58, 362714), (116, 181357), (319, 65948), (638, 32974), (1276, 16487)]