21669238

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{659}}^1$

素因数の和:1103

約数の個数: 16

約数和(自身を含む): 33430320

約数和(自身を除く): 11761082

約数列:

[1, 2, 41, 82, 401, 659, 802, 1318, 16441, 27019, 32882, 54038, 264259, 528518, 10834619, 21669238]

約数ペア:

[(1, 21669238), (2, 10834619), (41, 528518), (82, 264259), (401, 54038), (659, 32882), (802, 27019), (1318, 16441)]