21173624

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{19319}}^1$

素因数の和:19462

約数の個数: 16

約数和(自身を含む): 39992400

約数和(自身を除く): 18818776

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 19319, 38638, 77276, 154552, 2646703, 5293406, 10586812, 21173624]

約数ペア:

[(1, 21173624), (2, 10586812), (4, 5293406), (8, 2646703), (137, 154552), (274, 77276), (548, 38638), (1096, 19319)]