21360372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 56128128

約数和(自身を除く): 34767756

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 47, 66, 94, 121, 132, 141, 188, 242, 282, 313, 363, 484, 517, 564, 626, 726, 939, 1034, 1252, 1452, 1551, 1878, 2068, 3102, 3443, 3756, 5687, 6204, 6886, 10329, 11374, 13772, 14711, 17061, 20658, 22748, 29422, 34122, 37873, 41316, 44133, 58844, 68244, 75746, 88266, 113619, 151492, 161821, 176532, 227238, 323642, 454476, 485463, 647284, 970926, 1780031, 1941852, 3560062, 5340093, 7120124, 10680186, 21360372]

約数ペア:

[(1, 21360372), (2, 10680186), (3, 7120124), (4, 5340093), (6, 3560062), (11, 1941852), (12, 1780031), (22, 970926), (33, 647284), (44, 485463), (47, 454476), (66, 323642), (94, 227238), (121, 176532), (132, 161821), (141, 151492), (188, 113619), (242, 88266), (282, 75746), (313, 68244), (363, 58844), (484, 44133), (517, 41316), (564, 37873), (626, 34122), (726, 29422), (939, 22748), (1034, 20658), (1252, 17061), (1452, 14711), (1551, 13772), (1878, 11374), (2068, 10329), (3102, 6886), (3443, 6204), (3756, 5687)]