21749148

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3533}}^1$

素因数の和:3568

約数の個数: 60

約数和(自身を含む): 59865960

約数和(自身を除く): 38116812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3533, 6156, 7066, 10599, 14132, 21198, 31797, 42396, 63594, 67127, 95391, 127188, 134254, 190782, 201381, 268508, 286173, 381564, 402762, 572346, 604143, 805524, 1144692, 1208286, 1812429, 2416572, 3624858, 5437287, 7249716, 10874574, 21749148]

約数ペア:

[(1, 21749148), (2, 10874574), (3, 7249716), (4, 5437287), (6, 3624858), (9, 2416572), (12, 1812429), (18, 1208286), (19, 1144692), (27, 805524), (36, 604143), (38, 572346), (54, 402762), (57, 381564), (76, 286173), (81, 268508), (108, 201381), (114, 190782), (162, 134254), (171, 127188), (228, 95391), (324, 67127), (342, 63594), (513, 42396), (684, 31797), (1026, 21198), (1539, 14132), (2052, 10599), (3078, 7066), (3533, 6156)]