21892617

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:502

約数の個数: 36

約数和(自身を含む): 35440080

約数和(自身を除く): 13547463

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 289, 323, 443, 867, 969, 1329, 2601, 2907, 3987, 5491, 7531, 8417, 16473, 22593, 25251, 49419, 67779, 75753, 128027, 143089, 384081, 429267, 1152243, 1287801, 2432513, 7297539, 21892617]

約数ペア:

[(1, 21892617), (3, 7297539), (9, 2432513), (17, 1287801), (19, 1152243), (51, 429267), (57, 384081), (153, 143089), (171, 128027), (289, 75753), (323, 67779), (443, 49419), (867, 25251), (969, 22593), (1329, 16473), (2601, 8417), (2907, 7531), (3987, 5491)]