21917313

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{823}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 34706880

約数和(自身を除く): 12789567

約数列:

[1, 3, 9, 11, 33, 99, 269, 807, 823, 2421, 2469, 2959, 7407, 8877, 9053, 26631, 27159, 81477, 221387, 664161, 1992483, 2435257, 7305771, 21917313]

約数ペア:

[(1, 21917313), (3, 7305771), (9, 2435257), (11, 1992483), (33, 664161), (99, 221387), (269, 81477), (807, 27159), (823, 26631), (2421, 9053), (2469, 8877), (2959, 7407)]