21607806

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28158594

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 59, 62, 66, 93, 118, 177, 179, 186, 341, 354, 358, 537, 649, 682, 1023, 1074, 1298, 1829, 1947, 1969, 2046, 3658, 3894, 3938, 5487, 5549, 5907, 10561, 10974, 11098, 11814, 16647, 20119, 21122, 31683, 33294, 40238, 60357, 61039, 63366, 116171, 120714, 122078, 183117, 232342, 327391, 348513, 366234, 654782, 697026, 982173, 1964346, 3601301, 7202602, 10803903, 21607806]

約数ペア:

[(1, 21607806), (2, 10803903), (3, 7202602), (6, 3601301), (11, 1964346), (22, 982173), (31, 697026), (33, 654782), (59, 366234), (62, 348513), (66, 327391), (93, 232342), (118, 183117), (177, 122078), (179, 120714), (186, 116171), (341, 63366), (354, 61039), (358, 60357), (537, 40238), (649, 33294), (682, 31683), (1023, 21122), (1074, 20119), (1298, 16647), (1829, 11814), (1947, 11098), (1969, 10974), (2046, 10561), (3658, 5907), (3894, 5549), (3938, 5487)]