21810394

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{1889}}^1$

素因数の和:2165

約数の個数: 16

約数和(自身を含む): 34292160

約数和(自身を除く): 12481766

約数列:

[1, 2, 23, 46, 251, 502, 1889, 3778, 5773, 11546, 43447, 86894, 474139, 948278, 10905197, 21810394]

約数ペア:

[(1, 21810394), (2, 10905197), (23, 948278), (46, 474139), (251, 86894), (502, 43447), (1889, 11546), (3778, 5773)]