21590935

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 29937600

約数和(自身を除く): 8346665

約数列:

[1, 5, 17, 19, 29, 85, 95, 145, 323, 461, 493, 551, 1615, 2305, 2465, 2755, 7837, 8759, 9367, 13369, 39185, 43795, 46835, 66845, 148903, 227273, 254011, 744515, 1136365, 1270055, 4318187, 21590935]

約数ペア:

[(1, 21590935), (5, 4318187), (17, 1270055), (19, 1136365), (29, 744515), (85, 254011), (95, 227273), (145, 148903), (323, 66845), (461, 46835), (493, 43795), (551, 39185), (1615, 13369), (2305, 9367), (2465, 8759), (2755, 7837)]