21149373

素因数分解:

$3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1627}}^1$

素因数の和:2256

約数の個数: 16

約数和(自身を含む): 32299520

約数和(自身を除く): 11150147

約数列:

[1, 3, 7, 21, 619, 1627, 1857, 4333, 4881, 11389, 12999, 34167, 1007113, 3021339, 7049791, 21149373]

約数ペア:

[(1, 21149373), (3, 7049791), (7, 3021339), (21, 1007113), (619, 34167), (1627, 12999), (1857, 11389), (4333, 4881)]