21823128

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1509

約数の個数: 64

約数和(自身を含む): 61516800

約数和(自身を除く): 39693672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1423, 1704, 1917, 2556, 2846, 3834, 4269, 5112, 5692, 7668, 8538, 11384, 12807, 15336, 17076, 25614, 34152, 38421, 51228, 76842, 101033, 102456, 153684, 202066, 303099, 307368, 404132, 606198, 808264, 909297, 1212396, 1818594, 2424792, 2727891, 3637188, 5455782, 7274376, 10911564, 21823128]

約数ペア:

[(1, 21823128), (2, 10911564), (3, 7274376), (4, 5455782), (6, 3637188), (8, 2727891), (9, 2424792), (12, 1818594), (18, 1212396), (24, 909297), (27, 808264), (36, 606198), (54, 404132), (71, 307368), (72, 303099), (108, 202066), (142, 153684), (213, 102456), (216, 101033), (284, 76842), (426, 51228), (568, 38421), (639, 34152), (852, 25614), (1278, 17076), (1423, 15336), (1704, 12807), (1917, 11384), (2556, 8538), (2846, 7668), (3834, 5692), (4269, 5112)]