21355078

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{6947}}^1$

素因数の和:7031

約数の個数: 16

約数和(自身を含む): 33767280

約数和(自身を除く): 12412202

約数列:

[1, 2, 29, 53, 58, 106, 1537, 3074, 6947, 13894, 201463, 368191, 402926, 736382, 10677539, 21355078]

約数ペア:

[(1, 21355078), (2, 10677539), (29, 736382), (53, 402926), (58, 368191), (106, 201463), (1537, 13894), (3074, 6947)]