21327876

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 57657600

約数和(自身を除く): 36329724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 31, 36, 58, 62, 87, 93, 116, 124, 174, 186, 261, 279, 348, 372, 522, 558, 659, 899, 1044, 1116, 1318, 1798, 1977, 2636, 2697, 3596, 3954, 5394, 5931, 7908, 8091, 10788, 11862, 16182, 19111, 20429, 23724, 32364, 38222, 40858, 57333, 61287, 76444, 81716, 114666, 122574, 171999, 183861, 229332, 245148, 343998, 367722, 592441, 687996, 735444, 1184882, 1777323, 2369764, 3554646, 5331969, 7109292, 10663938, 21327876]

約数ペア:

[(1, 21327876), (2, 10663938), (3, 7109292), (4, 5331969), (6, 3554646), (9, 2369764), (12, 1777323), (18, 1184882), (29, 735444), (31, 687996), (36, 592441), (58, 367722), (62, 343998), (87, 245148), (93, 229332), (116, 183861), (124, 171999), (174, 122574), (186, 114666), (261, 81716), (279, 76444), (348, 61287), (372, 57333), (522, 40858), (558, 38222), (659, 32364), (899, 23724), (1044, 20429), (1116, 19111), (1318, 16182), (1798, 11862), (1977, 10788), (2636, 8091), (2697, 7908), (3596, 5931), (3954, 5394)]