21626463

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 31781376

約数和(自身を除く): 10154913

約数列:

[1, 3, 23, 37, 43, 69, 111, 129, 197, 591, 851, 989, 1591, 2553, 2967, 4531, 4773, 7289, 8471, 13593, 21867, 25413, 36593, 109779, 167647, 194833, 313427, 502941, 584499, 940281, 7208821, 21626463]

約数ペア:

[(1, 21626463), (3, 7208821), (23, 940281), (37, 584499), (43, 502941), (69, 313427), (111, 194833), (129, 167647), (197, 109779), (591, 36593), (851, 25413), (989, 21867), (1591, 13593), (2553, 8471), (2967, 7289), (4531, 4773)]