21221024

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1$

素因数の和:226

約数の個数: 72

約数和(自身を含む): 48390048

約数和(自身を除く): 27169024

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 167, 176, 209, 304, 334, 352, 361, 418, 608, 668, 722, 836, 1336, 1444, 1672, 1837, 2672, 2888, 3173, 3344, 3674, 3971, 5344, 5776, 6346, 6688, 7348, 7942, 11552, 12692, 14696, 15884, 25384, 29392, 31768, 34903, 50768, 58784, 60287, 63536, 69806, 101536, 120574, 127072, 139612, 241148, 279224, 482296, 558448, 663157, 964592, 1116896, 1326314, 1929184, 2652628, 5305256, 10610512, 21221024]

約数ペア:

[(1, 21221024), (2, 10610512), (4, 5305256), (8, 2652628), (11, 1929184), (16, 1326314), (19, 1116896), (22, 964592), (32, 663157), (38, 558448), (44, 482296), (76, 279224), (88, 241148), (152, 139612), (167, 127072), (176, 120574), (209, 101536), (304, 69806), (334, 63536), (352, 60287), (361, 58784), (418, 50768), (608, 34903), (668, 31768), (722, 29392), (836, 25384), (1336, 15884), (1444, 14696), (1672, 12692), (1837, 11552), (2672, 7942), (2888, 7348), (3173, 6688), (3344, 6346), (3674, 5776), (3971, 5344)]