21751750657

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1163}}^1\times {\mathrm{205529}}^1$

素因数の和:206712

約数の個数: 16

約数和(自身を含む): 26794535040

約数和(自身を除く): 5042784383

約数列:

[1, 7, 13, 91, 1163, 8141, 15119, 105833, 205529, 1438703, 2671877, 18703139, 239030227, 1673211589, 3107392951, 21751750657]

約数ペア:

[(1, 21751750657), (7, 3107392951), (13, 1673211589), (91, 239030227), (1163, 18703139), (8141, 2671877), (15119, 1438703), (105833, 205529)]