21077396

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 40212480

約数和(自身を除く): 19135084

約数列:

[1, 2, 4, 31, 43, 59, 62, 67, 86, 118, 124, 134, 172, 236, 268, 1333, 1829, 2077, 2537, 2666, 2881, 3658, 3953, 4154, 5074, 5332, 5762, 7316, 7906, 8308, 10148, 11524, 15812, 78647, 89311, 122543, 157294, 169979, 178622, 245086, 314588, 339958, 357244, 490172, 679916, 5269349, 10538698, 21077396]

約数ペア:

[(1, 21077396), (2, 10538698), (4, 5269349), (31, 679916), (43, 490172), (59, 357244), (62, 339958), (67, 314588), (86, 245086), (118, 178622), (124, 169979), (134, 157294), (172, 122543), (236, 89311), (268, 78647), (1333, 15812), (1829, 11524), (2077, 10148), (2537, 8308), (2666, 7906), (2881, 7316), (3658, 5762), (3953, 5332), (4154, 5074)]