21344384

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{577}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 45248730

約数和(自身を除く): 23904346

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 544, 577, 578, 1088, 1154, 1156, 2176, 2308, 2312, 4616, 4624, 9232, 9248, 9809, 18464, 18496, 19618, 36928, 36992, 39236, 73856, 78472, 156944, 166753, 313888, 333506, 627776, 667012, 1255552, 1334024, 2668048, 5336096, 10672192, 21344384]

約数ペア:

[(1, 21344384), (2, 10672192), (4, 5336096), (8, 2668048), (16, 1334024), (17, 1255552), (32, 667012), (34, 627776), (64, 333506), (68, 313888), (128, 166753), (136, 156944), (272, 78472), (289, 73856), (544, 39236), (577, 36992), (578, 36928), (1088, 19618), (1154, 18496), (1156, 18464), (2176, 9809), (2308, 9248), (2312, 9232), (4616, 4624)]