21698272

素因数分解:

$2^5\times {\mathrm{491}}^1\times {\mathrm{1381}}^1$

素因数の和:1882

約数の個数: 24

約数和(自身を含む): 42836472

約数和(自身を除く): 21138200

約数列:

[1, 2, 4, 8, 16, 32, 491, 982, 1381, 1964, 2762, 3928, 5524, 7856, 11048, 15712, 22096, 44192, 678071, 1356142, 2712284, 5424568, 10849136, 21698272]

約数ペア:

[(1, 21698272), (2, 10849136), (4, 5424568), (8, 2712284), (16, 1356142), (32, 678071), (491, 44192), (982, 22096), (1381, 15712), (1964, 11048), (2762, 7856), (3928, 5524)]