21464014976

素因数分解:

$2^7\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{11059}}^1$

素因数の和:11389

約数の個数: 64

約数和(自身を含む): 43658244000

約数和(自身を除く): 22194229024

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 257, 472, 514, 944, 1028, 1888, 2056, 3776, 4112, 7552, 8224, 11059, 15163, 16448, 22118, 30326, 32896, 44236, 60652, 88472, 121304, 176944, 242608, 353888, 485216, 652481, 707776, 970432, 1304962, 1415552, 1940864, 2609924, 2842163, 5219848, 5684326, 10439696, 11368652, 20879392, 22737304, 41758784, 45474608, 83517568, 90949216, 167687617, 181898432, 335375234, 363796864, 670750468, 1341500936, 2683001872, 5366003744, 10732007488, 21464014976]

約数ペア:

[(1, 21464014976), (2, 10732007488), (4, 5366003744), (8, 2683001872), (16, 1341500936), (32, 670750468), (59, 363796864), (64, 335375234), (118, 181898432), (128, 167687617), (236, 90949216), (257, 83517568), (472, 45474608), (514, 41758784), (944, 22737304), (1028, 20879392), (1888, 11368652), (2056, 10439696), (3776, 5684326), (4112, 5219848), (7552, 2842163), (8224, 2609924), (11059, 1940864), (15163, 1415552), (16448, 1304962), (22118, 970432), (30326, 707776), (32896, 652481), (44236, 485216), (60652, 353888), (88472, 242608), (121304, 176944)]