21879040

素因数分解:

$2^8\times 5^1\times {\mathrm{17093}}^1$

素因数の和:17114

約数の個数: 36

約数和(自身を含む): 52410204

約数和(自身を除く): 30531164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 17093, 34186, 68372, 85465, 136744, 170930, 273488, 341860, 546976, 683720, 1093952, 1367440, 2187904, 2734880, 4375808, 5469760, 10939520, 21879040]

約数ペア:

[(1, 21879040), (2, 10939520), (4, 5469760), (5, 4375808), (8, 2734880), (10, 2187904), (16, 1367440), (20, 1093952), (32, 683720), (40, 546976), (64, 341860), (80, 273488), (128, 170930), (160, 136744), (256, 85465), (320, 68372), (640, 34186), (1280, 17093)]