21804160112

素因数分解:

$2^4\times 7^1\times {\mathrm{194680001}}^1$

素因数の和:194680016

約数の個数: 20

約数和(自身を含む): 48280640496

約数和(自身を除く): 26476480384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 194680001, 389360002, 778720004, 1362760007, 1557440008, 2725520014, 3114880016, 5451040028, 10902080056, 21804160112]

約数ペア:

[(1, 21804160112), (2, 10902080056), (4, 5451040028), (7, 3114880016), (8, 2725520014), (14, 1557440008), (16, 1362760007), (28, 778720004), (56, 389360002), (112, 194680001)]