21125312

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25391}}^1$

素因数の和:25416

約数の個数: 28

約数和(自身を含む): 45146976

約数和(自身を除く): 24021664

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25391, 50782, 101564, 203128, 330083, 406256, 660166, 812512, 1320332, 1625024, 2640664, 5281328, 10562656, 21125312]

約数ペア:

[(1, 21125312), (2, 10562656), (4, 5281328), (8, 2640664), (13, 1625024), (16, 1320332), (26, 812512), (32, 660166), (52, 406256), (64, 330083), (104, 203128), (208, 101564), (416, 50782), (832, 25391)]