21551133776

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{295837}}^1$

素因数の和:296031

約数の個数: 40

約数和(自身を含む): 43470435720

約数和(自身を除く): 21919301944

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 157, 232, 314, 464, 628, 1256, 2512, 4553, 9106, 18212, 36424, 72848, 295837, 591674, 1183348, 2366696, 4733392, 8579273, 17158546, 34317092, 46446409, 68634184, 92892818, 137268368, 185785636, 371571272, 743142544, 1346945861, 2693891722, 5387783444, 10775566888, 21551133776]

約数ペア:

[(1, 21551133776), (2, 10775566888), (4, 5387783444), (8, 2693891722), (16, 1346945861), (29, 743142544), (58, 371571272), (116, 185785636), (157, 137268368), (232, 92892818), (314, 68634184), (464, 46446409), (628, 34317092), (1256, 17158546), (2512, 8579273), (4553, 4733392), (9106, 2366696), (18212, 1183348), (36424, 591674), (72848, 295837)]