21369648

素因数分解:

$2^4\times 3^1\times {\mathrm{347}}^1\times {\mathrm{1283}}^1$

素因数の和:1641

約数の個数: 40

約数和(自身を含む): 55407168

約数和(自身を除く): 34037520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 347, 694, 1041, 1283, 1388, 2082, 2566, 2776, 3849, 4164, 5132, 5552, 7698, 8328, 10264, 15396, 16656, 20528, 30792, 61584, 445201, 890402, 1335603, 1780804, 2671206, 3561608, 5342412, 7123216, 10684824, 21369648]

約数ペア:

[(1, 21369648), (2, 10684824), (3, 7123216), (4, 5342412), (6, 3561608), (8, 2671206), (12, 1780804), (16, 1335603), (24, 890402), (48, 445201), (347, 61584), (694, 30792), (1041, 20528), (1283, 16656), (1388, 15396), (2082, 10264), (2566, 8328), (2776, 7698), (3849, 5552), (4164, 5132)]