21349943

素因数分解:

${\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:346

約数の個数: 16

約数和(自身を含む): 23250240

約数和(自身を除く): 1900297

約数列:

[1, 17, 89, 103, 137, 1513, 1751, 2329, 9167, 12193, 14111, 155839, 207281, 239887, 1255879, 21349943]

約数ペア:

[(1, 21349943), (17, 1255879), (89, 239887), (103, 207281), (137, 155839), (1513, 14111), (1751, 12193), (2329, 9167)]