21513936

素因数分解:

$2^4\times 3^1\times {\mathrm{448207}}^1$

素因数の和:448218

約数の個数: 20

約数和(自身を含む): 55577792

約数和(自身を除く): 34063856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 448207, 896414, 1344621, 1792828, 2689242, 3585656, 5378484, 7171312, 10756968, 21513936]

約数ペア:

[(1, 21513936), (2, 10756968), (3, 7171312), (4, 5378484), (6, 3585656), (8, 2689242), (12, 1792828), (16, 1344621), (24, 896414), (48, 448207)]