21498729

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14419}}^1$

素因数の和:14500

約数の個数: 16

約数和(自身を含む): 33223680

約数和(自身を除く): 11724951

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 14419, 43257, 100933, 302799, 1023749, 3071247, 7166243, 21498729]

約数ペア:

[(1, 21498729), (3, 7166243), (7, 3071247), (21, 1023749), (71, 302799), (213, 100933), (497, 43257), (1491, 14419)]