21274088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1601}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 43830720

約数和(自身を除く): 22556632

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 151, 302, 604, 1208, 1601, 1661, 3202, 3322, 6404, 6644, 12808, 13288, 17611, 35222, 70444, 140888, 241751, 483502, 967004, 1934008, 2659261, 5318522, 10637044, 21274088]

約数ペア:

[(1, 21274088), (2, 10637044), (4, 5318522), (8, 2659261), (11, 1934008), (22, 967004), (44, 483502), (88, 241751), (151, 140888), (302, 70444), (604, 35222), (1208, 17611), (1601, 13288), (1661, 12808), (3202, 6644), (3322, 6404)]