21850444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 48496896

約数和(自身を除く): 26646452

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 1163, 1342, 1708, 2326, 2684, 4652, 4697, 8141, 9394, 12793, 16282, 18788, 25586, 32564, 51172, 70943, 89551, 141886, 179102, 283772, 358204, 496601, 780373, 993202, 1560746, 1986404, 3121492, 5462611, 10925222, 21850444]

約数ペア:

[(1, 21850444), (2, 10925222), (4, 5462611), (7, 3121492), (11, 1986404), (14, 1560746), (22, 993202), (28, 780373), (44, 496601), (61, 358204), (77, 283772), (122, 179102), (154, 141886), (244, 89551), (308, 70943), (427, 51172), (671, 32564), (854, 25586), (1163, 18788), (1342, 16282), (1708, 12793), (2326, 9394), (2684, 8141), (4652, 4697)]