21310964

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{463}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 38508288

約数和(自身を除く): 17197324

約数列:

[1, 2, 4, 37, 74, 148, 311, 463, 622, 926, 1244, 1852, 11507, 17131, 23014, 34262, 46028, 68524, 143993, 287986, 575972, 5327741, 10655482, 21310964]

約数ペア:

[(1, 21310964), (2, 10655482), (4, 5327741), (37, 575972), (74, 287986), (148, 143993), (311, 68524), (463, 46028), (622, 34262), (926, 23014), (1244, 17131), (1852, 11507)]