21840224

素因数分解:

$2^5\times 7^1\times {\mathrm{97501}}^1$

素因数の和:97518

約数の個数: 24

約数和(自身を含む): 49141008

約数和(自身を除く): 27300784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 97501, 195002, 390004, 682507, 780008, 1365014, 1560016, 2730028, 3120032, 5460056, 10920112, 21840224]

約数ペア:

[(1, 21840224), (2, 10920112), (4, 5460056), (7, 3120032), (8, 2730028), (14, 1560016), (16, 1365014), (28, 780008), (32, 682507), (56, 390004), (112, 195002), (224, 97501)]