21314612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2459}}^1$

素因数の和:2671

約数の個数: 24

約数和(自身を含む): 40914720

約数和(自身を除く): 19600108

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 2459, 4334, 4918, 8668, 9836, 27049, 54098, 108196, 484423, 968846, 1937692, 5328653, 10657306, 21314612]

約数ペア:

[(1, 21314612), (2, 10657306), (4, 5328653), (11, 1937692), (22, 968846), (44, 484423), (197, 108196), (394, 54098), (788, 27049), (2167, 9836), (2459, 8668), (4334, 4918)]