21090322

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{9883}}^1$

素因数の和:9993

約数の個数: 16

約数和(自身を含む): 34870752

約数和(自身を除く): 13780430

約数列:

[1, 2, 11, 22, 97, 194, 1067, 2134, 9883, 19766, 108713, 217426, 958651, 1917302, 10545161, 21090322]

約数ペア:

[(1, 21090322), (2, 10545161), (11, 1917302), (22, 958651), (97, 217426), (194, 108713), (1067, 19766), (2134, 9883)]