21856288

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{40177}}^1$

素因数の和:40204

約数の個数: 24

約数和(自身を含む): 45561852

約数和(自身を除く): 23705564

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 40177, 80354, 160708, 321416, 642832, 683009, 1285664, 1366018, 2732036, 5464072, 10928144, 21856288]

約数ペア:

[(1, 21856288), (2, 10928144), (4, 5464072), (8, 2732036), (16, 1366018), (17, 1285664), (32, 683009), (34, 642832), (68, 321416), (136, 160708), (272, 80354), (544, 40177)]