21699982

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2309}}^1$

素因数の和:2475

約数の個数: 16

約数和(自身を含む): 33707520

約数和(自身を除く): 12007538

約数列:

[1, 2, 37, 74, 127, 254, 2309, 4618, 4699, 9398, 85433, 170866, 293243, 586486, 10849991, 21699982]

約数ペア:

[(1, 21699982), (2, 10849991), (37, 586486), (74, 293243), (127, 170866), (254, 85433), (2309, 9398), (4618, 4699)]