21939444

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6553}}^1$

素因数の和:6597

約数の個数: 48

約数和(自身を含む): 58723840

約数和(自身を除く): 36784396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6553, 13106, 19659, 26212, 39318, 58977, 78636, 117954, 176931, 203143, 235908, 353862, 406286, 609429, 707724, 812572, 1218858, 1828287, 2437716, 3656574, 5484861, 7313148, 10969722, 21939444]

約数ペア:

[(1, 21939444), (2, 10969722), (3, 7313148), (4, 5484861), (6, 3656574), (9, 2437716), (12, 1828287), (18, 1218858), (27, 812572), (31, 707724), (36, 609429), (54, 406286), (62, 353862), (93, 235908), (108, 203143), (124, 176931), (186, 117954), (279, 78636), (372, 58977), (558, 39318), (837, 26212), (1116, 19659), (1674, 13106), (3348, 6553)]