21495526

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2693}}^1$

素因数の和:3015

約数の個数: 16

約数和(自身を含む): 34849584

約数和(自身を除く): 13354058

約数列:

[1, 2, 13, 26, 307, 614, 2693, 3991, 5386, 7982, 35009, 70018, 826751, 1653502, 10747763, 21495526]

約数ペア:

[(1, 21495526), (2, 10747763), (13, 1653502), (26, 826751), (307, 70018), (614, 35009), (2693, 7982), (3991, 5386)]