21231890576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3292787}}^1$

素因数の和:3292839

約数の個数: 40

約数和(自身を含む): 45730239744

約数和(自身を除く): 24498349168

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 3292787, 6585574, 13171148, 26342296, 42806231, 52684592, 85612462, 102076397, 171224924, 204152794, 342449848, 408305588, 684899696, 816611176, 1326993161, 1633222352, 2653986322, 5307972644, 10615945288, 21231890576]

約数ペア:

[(1, 21231890576), (2, 10615945288), (4, 5307972644), (8, 2653986322), (13, 1633222352), (16, 1326993161), (26, 816611176), (31, 684899696), (52, 408305588), (62, 342449848), (104, 204152794), (124, 171224924), (208, 102076397), (248, 85612462), (403, 52684592), (496, 42806231), (806, 26342296), (1612, 13171148), (3224, 6585574), (6448, 3292787)]