21868136

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{26539}}^1$

素因数の和:26648

約数の個数: 16

約数和(自身を含む): 41402400

約数和(自身を除く): 19534264

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 26539, 53078, 106156, 212312, 2733517, 5467034, 10934068, 21868136]

約数ペア:

[(1, 21868136), (2, 10934068), (4, 5467034), (8, 2733517), (103, 212312), (206, 106156), (412, 53078), (824, 26539)]