21455208

素因数分解:

$2^3\times 3^2\times {\mathrm{297989}}^1$

素因数の和:298001

約数の個数: 24

約数和(自身を含む): 58108050

約数和(自身を除く): 36652842

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 297989, 595978, 893967, 1191956, 1787934, 2383912, 2681901, 3575868, 5363802, 7151736, 10727604, 21455208]

約数ペア:

[(1, 21455208), (2, 10727604), (3, 7151736), (4, 5363802), (6, 3575868), (8, 2681901), (9, 2383912), (12, 1787934), (18, 1191956), (24, 893967), (36, 595978), (72, 297989)]