21999712

素因数分解:

$2^5\times 7^1\times {\mathrm{98213}}^1$

素因数の和:98230

約数の個数: 24

約数和(自身を含む): 49499856

約数和(自身を除く): 27500144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 98213, 196426, 392852, 687491, 785704, 1374982, 1571408, 2749964, 3142816, 5499928, 10999856, 21999712]

約数ペア:

[(1, 21999712), (2, 10999856), (4, 5499928), (7, 3142816), (8, 2749964), (14, 1571408), (16, 1374982), (28, 785704), (32, 687491), (56, 392852), (112, 196426), (224, 98213)]