21047388

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 52469760

約数和(自身を除く): 31422372

約数列:

[1, 2, 3, 4, 6, 12, 29, 31, 58, 62, 87, 93, 116, 124, 174, 186, 348, 372, 899, 1798, 1951, 2697, 3596, 3902, 5394, 5853, 7804, 10788, 11706, 23412, 56579, 60481, 113158, 120962, 169737, 181443, 226316, 241924, 339474, 362886, 678948, 725772, 1753949, 3507898, 5261847, 7015796, 10523694, 21047388]

約数ペア:

[(1, 21047388), (2, 10523694), (3, 7015796), (4, 5261847), (6, 3507898), (12, 1753949), (29, 725772), (31, 678948), (58, 362886), (62, 339474), (87, 241924), (93, 226316), (116, 181443), (124, 169737), (174, 120962), (186, 113158), (348, 60481), (372, 56579), (899, 23412), (1798, 11706), (1951, 10788), (2697, 7804), (3596, 5853), (3902, 5394)]