21009074

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7741}}^1$

素因数の和:7825

約数の個数: 16

約数和(自身を含む): 33445440

約数和(自身を除く): 12436366

約数列:

[1, 2, 23, 46, 59, 118, 1357, 2714, 7741, 15482, 178043, 356086, 456719, 913438, 10504537, 21009074]

約数ペア:

[(1, 21009074), (2, 10504537), (23, 913438), (46, 456719), (59, 356086), (118, 178043), (1357, 15482), (2714, 7741)]