11521890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{128021}}^1$

素因数の和:128034

約数の個数: 24

約数和(自身を含む): 29957148

約数和(自身を除く): 18435258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 128021, 256042, 384063, 640105, 768126, 1152189, 1280210, 1920315, 2304378, 3840630, 5760945, 11521890]

約数ペア:

[(1, 11521890), (2, 5760945), (3, 3840630), (5, 2304378), (6, 1920315), (9, 1280210), (10, 1152189), (15, 768126), (18, 640105), (30, 384063), (45, 256042), (90, 128021)]