21906478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{1511}}^1$

素因数の和:2183

約数の個数: 16

約数和(自身を含む): 35925120

約数和(自身を除く): 14018642

約数列:

[1, 2, 11, 22, 659, 1318, 1511, 3022, 7249, 14498, 16621, 33242, 995749, 1991498, 10953239, 21906478]

約数ペア:

[(1, 21906478), (2, 10953239), (11, 1991498), (22, 995749), (659, 33242), (1318, 16621), (1511, 14498), (3022, 7249)]