21421766

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{797}}^1$

素因数の和:1039

約数の個数: 16

約数和(自身を含む): 32749920

約数和(自身を除く): 11328154

約数列:

[1, 2, 89, 151, 178, 302, 797, 1594, 13439, 26878, 70933, 120347, 141866, 240694, 10710883, 21421766]

約数ペア:

[(1, 21421766), (2, 10710883), (89, 240694), (151, 141866), (178, 120347), (302, 70933), (797, 26878), (1594, 13439)]