21423714

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{787}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 46334400

約数和(自身を除く): 24910686

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 349, 698, 787, 1047, 1574, 2094, 2361, 4537, 4722, 9074, 10231, 13611, 20462, 27222, 30693, 61386, 274663, 549326, 823989, 1647978, 3570619, 7141238, 10711857, 21423714]

約数ペア:

[(1, 21423714), (2, 10711857), (3, 7141238), (6, 3570619), (13, 1647978), (26, 823989), (39, 549326), (78, 274663), (349, 61386), (698, 30693), (787, 27222), (1047, 20462), (1574, 13611), (2094, 10231), (2361, 9074), (4537, 4722)]