21127107

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21803}}^1$

素因数の和:21842

約数の個数: 16

約数和(自身を含む): 31397760

約数和(自身を除く): 10270653

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21803, 65409, 370651, 414257, 1111953, 1242771, 7042369, 21127107]

約数ペア:

[(1, 21127107), (3, 7042369), (17, 1242771), (19, 1111953), (51, 414257), (57, 370651), (323, 65409), (969, 21803)]