21449288368

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{821}}^1\times {\mathrm{52673}}^1$

素因数の和:53533

約数の個数: 40

約数和(自身を含む): 42951643776

約数和(自身を除く): 21502355408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 821, 1642, 3284, 6568, 13136, 25451, 50902, 52673, 101804, 105346, 203608, 210692, 407216, 421384, 842768, 1632863, 3265726, 6531452, 13062904, 26125808, 43244533, 86489066, 172978132, 345956264, 691912528, 1340580523, 2681161046, 5362322092, 10724644184, 21449288368]

約数ペア:

[(1, 21449288368), (2, 10724644184), (4, 5362322092), (8, 2681161046), (16, 1340580523), (31, 691912528), (62, 345956264), (124, 172978132), (248, 86489066), (496, 43244533), (821, 26125808), (1642, 13062904), (3284, 6531452), (6568, 3265726), (13136, 1632863), (25451, 842768), (50902, 421384), (52673, 407216), (101804, 210692), (105346, 203608)]