21945756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1907}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 58980096

約数和(自身を除く): 37034340

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 274, 411, 548, 822, 959, 1644, 1907, 1918, 2877, 3814, 3836, 5721, 5754, 7628, 11442, 11508, 13349, 22884, 26698, 40047, 53396, 80094, 160188, 261259, 522518, 783777, 1045036, 1567554, 1828813, 3135108, 3657626, 5486439, 7315252, 10972878, 21945756]

約数ペア:

[(1, 21945756), (2, 10972878), (3, 7315252), (4, 5486439), (6, 3657626), (7, 3135108), (12, 1828813), (14, 1567554), (21, 1045036), (28, 783777), (42, 522518), (84, 261259), (137, 160188), (274, 80094), (411, 53396), (548, 40047), (822, 26698), (959, 22884), (1644, 13349), (1907, 11508), (1918, 11442), (2877, 7628), (3814, 5754), (3836, 5721)]