21748988

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 38937360

約数和(自身を除く): 17188372

約数列:

[1, 2, 4, 83, 109, 166, 218, 332, 436, 601, 1202, 2404, 9047, 18094, 36188, 49883, 65509, 99766, 131018, 199532, 262036, 5437247, 10874494, 21748988]

約数ペア:

[(1, 21748988), (2, 10874494), (4, 5437247), (83, 262036), (109, 199532), (166, 131018), (218, 99766), (332, 65509), (436, 49883), (601, 36188), (1202, 18094), (2404, 9047)]