21187296

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5659}}^1$

素因数の和:5688

約数の個数: 72

約数和(自身を含む): 64897560

約数和(自身を除く): 43710264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5659, 11318, 16977, 22636, 33954, 45272, 50931, 67908, 73567, 90544, 101862, 135816, 147134, 181088, 203724, 220701, 271632, 294268, 407448, 441402, 543264, 588536, 662103, 814896, 882804, 1177072, 1324206, 1629792, 1765608, 2354144, 2648412, 3531216, 5296824, 7062432, 10593648, 21187296]

約数ペア:

[(1, 21187296), (2, 10593648), (3, 7062432), (4, 5296824), (6, 3531216), (8, 2648412), (9, 2354144), (12, 1765608), (13, 1629792), (16, 1324206), (18, 1177072), (24, 882804), (26, 814896), (32, 662103), (36, 588536), (39, 543264), (48, 441402), (52, 407448), (72, 294268), (78, 271632), (96, 220701), (104, 203724), (117, 181088), (144, 147134), (156, 135816), (208, 101862), (234, 90544), (288, 73567), (312, 67908), (416, 50931), (468, 45272), (624, 33954), (936, 22636), (1248, 16977), (1872, 11318), (3744, 5659)]