21010359

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{601}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 28818944

約数和(自身を除く): 7808585

約数列:

[1, 3, 43, 129, 271, 601, 813, 1803, 11653, 25843, 34959, 77529, 162871, 488613, 7003453, 21010359]

約数ペア:

[(1, 21010359), (3, 7003453), (43, 488613), (129, 162871), (271, 77529), (601, 34959), (813, 25843), (1803, 11653)]