21688218

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{52387}}^1$

素因数の和:52418

約数の個数: 24

約数和(自身を含む): 49035168

約数和(自身を除く): 27346950

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 52387, 104774, 157161, 314322, 471483, 942966, 1204901, 2409802, 3614703, 7229406, 10844109, 21688218]

約数ペア:

[(1, 21688218), (2, 10844109), (3, 7229406), (6, 3614703), (9, 2409802), (18, 1204901), (23, 942966), (46, 471483), (69, 314322), (138, 157161), (207, 104774), (414, 52387)]