21599265

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1193}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 37138176

約数和(自身を除く): 15538911

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1193, 1207, 3579, 3621, 5965, 6035, 17895, 18105, 20281, 60843, 84703, 101405, 254109, 304215, 423515, 1270545, 1439951, 4319853, 7199755, 21599265]

約数ペア:

[(1, 21599265), (3, 7199755), (5, 4319853), (15, 1439951), (17, 1270545), (51, 423515), (71, 304215), (85, 254109), (213, 101405), (255, 84703), (355, 60843), (1065, 20281), (1193, 18105), (1207, 17895), (3579, 6035), (3621, 5965)]