21153296451

素因数分解:

$3^1\times 7^1\times {\mathrm{1933}}^1\times {\mathrm{521107}}^1$

素因数の和:523050

約数の個数: 16

約数和(自身を含む): 32250331904

約数和(自身を除く): 11097035453

約数列:

[1, 3, 7, 21, 1933, 5799, 13531, 40593, 521107, 1563321, 3647749, 10943247, 1007299831, 3021899493, 7051098817, 21153296451]

約数ペア:

[(1, 21153296451), (3, 7051098817), (7, 3021899493), (21, 1007299831), (1933, 10943247), (5799, 3647749), (13531, 1563321), (40593, 521107)]