21884835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 40223232

約数和(自身を除く): 18338397

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 257, 771, 811, 1285, 1799, 2433, 3855, 4055, 5397, 5677, 8995, 12165, 17031, 26985, 28385, 85155, 208427, 625281, 1042135, 1458989, 3126405, 4376967, 7294945, 21884835]

約数ペア:

[(1, 21884835), (3, 7294945), (5, 4376967), (7, 3126405), (15, 1458989), (21, 1042135), (35, 625281), (105, 208427), (257, 85155), (771, 28385), (811, 26985), (1285, 17031), (1799, 12165), (2433, 8995), (3855, 5677), (4055, 5397)]