21031154

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{6263}}^1$

素因数の和:6361

約数の個数: 16

約数和(自身を含む): 33374592

約数和(自身を除く): 12343438

約数列:

[1, 2, 23, 46, 73, 146, 1679, 3358, 6263, 12526, 144049, 288098, 457199, 914398, 10515577, 21031154]

約数ペア:

[(1, 21031154), (2, 10515577), (23, 914398), (46, 457199), (73, 288098), (146, 144049), (1679, 12526), (3358, 6263)]