21845744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71861}}^1$

素因数の和:71888

約数の個数: 20

約数和(自身を含む): 44554440

約数和(自身を除く): 22708696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71861, 143722, 287444, 574888, 1149776, 1365359, 2730718, 5461436, 10922872, 21845744]

約数ペア:

[(1, 21845744), (2, 10922872), (4, 5461436), (8, 2730718), (16, 1365359), (19, 1149776), (38, 574888), (76, 287444), (152, 143722), (304, 71861)]