21942778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1051}}^1$

素因数の和:1150

約数の個数: 32

約数和(自身を含む): 39235392

約数和(自身を除く): 17292614

約数列:

[1, 2, 11, 13, 22, 26, 73, 143, 146, 286, 803, 949, 1051, 1606, 1898, 2102, 10439, 11561, 13663, 20878, 23122, 27326, 76723, 150293, 153446, 300586, 843953, 997399, 1687906, 1994798, 10971389, 21942778]

約数ペア:

[(1, 21942778), (2, 10971389), (11, 1994798), (13, 1687906), (22, 997399), (26, 843953), (73, 300586), (143, 153446), (146, 150293), (286, 76723), (803, 27326), (949, 23122), (1051, 20878), (1606, 13663), (1898, 11561), (2102, 10439)]