21683613

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14543}}^1$

素因数の和:14624

約数の個数: 16

約数和(自身を含む): 33509376

約数和(自身を除く): 11825763

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 14543, 43629, 101801, 305403, 1032553, 3097659, 7227871, 21683613]

約数ペア:

[(1, 21683613), (3, 7227871), (7, 3097659), (21, 1032553), (71, 305403), (213, 101801), (497, 43629), (1491, 14543)]