21686155647

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29266067}}^1$

素因数の和:29266102

約数の個数: 16

約数和(自身を含む): 32777996160

約数和(自身を除く): 11091840513

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 29266067, 87798201, 380458871, 556055273, 1141376613, 1668165819, 7228718549, 21686155647]

約数ペア:

[(1, 21686155647), (3, 7228718549), (13, 1668165819), (19, 1141376613), (39, 556055273), (57, 380458871), (247, 87798201), (741, 29266067)]