21873412

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1051}}^1$

素因数の和:1120

約数の個数: 36

約数和(自身を含む): 43094128

約数和(自身を除く): 21220716

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 946, 1051, 1892, 2102, 4204, 5203, 10406, 11561, 20812, 23122, 45193, 46244, 90386, 127171, 180772, 254342, 497123, 508684, 994246, 1988492, 5468353, 10936706, 21873412]

約数ペア:

[(1, 21873412), (2, 10936706), (4, 5468353), (11, 1988492), (22, 994246), (43, 508684), (44, 497123), (86, 254342), (121, 180772), (172, 127171), (242, 90386), (473, 46244), (484, 45193), (946, 23122), (1051, 20812), (1892, 11561), (2102, 10406), (4204, 5203)]