21344386

素因数分解:

$2^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1511}}^1$

素因数の和:2529

約数の個数: 16

約数和(自身を含む): 36650880

約数和(自身を除く): 15306494

約数列:

[1, 2, 7, 14, 1009, 1511, 2018, 3022, 7063, 10577, 14126, 21154, 1524599, 3049198, 10672193, 21344386]

約数ペア:

[(1, 21344386), (2, 10672193), (7, 3049198), (14, 1524599), (1009, 21154), (1511, 14126), (2018, 10577), (3022, 7063)]