21760401

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{967}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 31332224

約数和(自身を除く): 9571823

約数列:

[1, 3, 13, 39, 577, 967, 1731, 2901, 7501, 12571, 22503, 37713, 557959, 1673877, 7253467, 21760401]

約数ペア:

[(1, 21760401), (3, 7253467), (13, 1673877), (39, 557959), (577, 37713), (967, 22503), (1731, 12571), (2901, 7501)]