21034904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1583}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 22303336

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 151, 302, 604, 1208, 1583, 1661, 3166, 3322, 6332, 6644, 12664, 13288, 17413, 34826, 69652, 139304, 239033, 478066, 956132, 1912264, 2629363, 5258726, 10517452, 21034904]

約数ペア:

[(1, 21034904), (2, 10517452), (4, 5258726), (8, 2629363), (11, 1912264), (22, 956132), (44, 478066), (88, 239033), (151, 139304), (302, 69652), (604, 34826), (1208, 17413), (1583, 13288), (1661, 12664), (3166, 6644), (3322, 6332)]