21479626

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19421}}^1$

素因数の和:19509

約数の個数: 16

約数和(自身を含む): 37290240

約数和(自身を除く): 15810614

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19421, 38842, 135947, 271894, 1534259, 3068518, 10739813, 21479626]

約数ペア:

[(1, 21479626), (2, 10739813), (7, 3068518), (14, 1534259), (79, 271894), (158, 135947), (553, 38842), (1106, 19421)]