21141163

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 23040000

約数和(自身を除く): 1898837

約数列:

[1, 23, 31, 149, 199, 713, 3427, 4577, 4619, 6169, 29651, 106237, 141887, 681973, 919181, 21141163]

約数ペア:

[(1, 21141163), (23, 919181), (31, 681973), (149, 141887), (199, 106237), (713, 29651), (3427, 6169), (4577, 4619)]