21317624

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{72019}}^1$

素因数の和:72062

約数の個数: 16

約数和(自身を含む): 41051400

約数和(自身を除く): 19733776

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 72019, 144038, 288076, 576152, 2664703, 5329406, 10658812, 21317624]

約数ペア:

[(1, 21317624), (2, 10658812), (4, 5329406), (8, 2664703), (37, 576152), (74, 288076), (148, 144038), (296, 72019)]