21453044

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3371}}^1$

素因数の和:3455

約数の個数: 24

約数和(自身を含む): 39465888

約数和(自身を除く): 18012844

約数列:

[1, 2, 4, 37, 43, 74, 86, 148, 172, 1591, 3182, 3371, 6364, 6742, 13484, 124727, 144953, 249454, 289906, 498908, 579812, 5363261, 10726522, 21453044]

約数ペア:

[(1, 21453044), (2, 10726522), (4, 5363261), (37, 579812), (43, 498908), (74, 289906), (86, 249454), (148, 144953), (172, 124727), (1591, 13484), (3182, 6742), (3371, 6364)]