21208026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{504953}}^1$

素因数の和:504965

約数の個数: 16

約数和(自身を含む): 48475584

約数和(自身を除く): 27267558

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 504953, 1009906, 1514859, 3029718, 3534671, 7069342, 10604013, 21208026]

約数ペア:

[(1, 21208026), (2, 10604013), (3, 7069342), (6, 3534671), (7, 3029718), (14, 1514859), (21, 1009906), (42, 504953)]