21371602

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 37914624

約数和(自身を除く): 16543022

約数列:

[1, 2, 7, 14, 43, 86, 131, 262, 271, 301, 542, 602, 917, 1834, 1897, 3794, 5633, 11266, 11653, 23306, 35501, 39431, 71002, 78862, 81571, 163142, 248507, 497014, 1526543, 3053086, 10685801, 21371602]

約数ペア:

[(1, 21371602), (2, 10685801), (7, 3053086), (14, 1526543), (43, 497014), (86, 248507), (131, 163142), (262, 81571), (271, 78862), (301, 71002), (542, 39431), (602, 35501), (917, 23306), (1834, 11653), (1897, 11266), (3794, 5633)]