21739959

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1163}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 32927232

約数和(自身を除く): 11187273

約数列:

[1, 3, 9, 31, 67, 93, 201, 279, 603, 1163, 2077, 3489, 6231, 10467, 18693, 36053, 77921, 108159, 233763, 324477, 701289, 2415551, 7246653, 21739959]

約数ペア:

[(1, 21739959), (3, 7246653), (9, 2415551), (31, 701289), (67, 324477), (93, 233763), (201, 108159), (279, 77921), (603, 36053), (1163, 18693), (2077, 10467), (3489, 6231)]