21682208

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39857}}^1$

素因数の和:39884

約数の個数: 24

約数和(自身を含む): 45198972

約数和(自身を除く): 23516764

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39857, 79714, 159428, 318856, 637712, 677569, 1275424, 1355138, 2710276, 5420552, 10841104, 21682208]

約数ペア:

[(1, 21682208), (2, 10841104), (4, 5420552), (8, 2710276), (16, 1355138), (17, 1275424), (32, 677569), (34, 637712), (68, 318856), (136, 159428), (272, 79714), (544, 39857)]