21178036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4673}}^1$

素因数の和:4791

約数の個数: 24

約数和(自身を含む): 40832064

約数和(自身を除く): 19654028

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 4673, 9346, 18692, 51403, 102806, 205612, 481319, 962638, 1925276, 5294509, 10589018, 21178036]

約数ペア:

[(1, 21178036), (2, 10589018), (4, 5294509), (11, 1925276), (22, 962638), (44, 481319), (103, 205612), (206, 102806), (412, 51403), (1133, 18692), (2266, 9346), (4532, 4673)]