21044608

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12647}}^1$

素因数の和:12674

約数の個数: 32

約数和(自身を含む): 45153360

約数和(自身を除く): 24108752

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12647, 25294, 50588, 101176, 164411, 202352, 328822, 404704, 657644, 809408, 1315288, 1618816, 2630576, 5261152, 10522304, 21044608]

約数ペア:

[(1, 21044608), (2, 10522304), (4, 5261152), (8, 2630576), (13, 1618816), (16, 1315288), (26, 809408), (32, 657644), (52, 404704), (64, 328822), (104, 202352), (128, 164411), (208, 101176), (416, 50588), (832, 25294), (1664, 12647)]