21025212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134777}}^1$

素因数の和:134797

約数の個数: 24

約数和(自身を含む): 52832976

約数和(自身を除く): 31807764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134777, 269554, 404331, 539108, 808662, 1617324, 1752101, 3504202, 5256303, 7008404, 10512606, 21025212]

約数ペア:

[(1, 21025212), (2, 10512606), (3, 7008404), (4, 5256303), (6, 3504202), (12, 1752101), (13, 1617324), (26, 808662), (39, 539108), (52, 404331), (78, 269554), (156, 134777)]