21576254

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1811}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 39661056

約数和(自身を除く): 18084802

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 161, 259, 322, 518, 851, 1702, 1811, 3622, 5957, 11914, 12677, 25354, 41653, 67007, 83306, 134014, 291571, 469049, 583142, 938098, 1541161, 3082322, 10788127, 21576254]

約数ペア:

[(1, 21576254), (2, 10788127), (7, 3082322), (14, 1541161), (23, 938098), (37, 583142), (46, 469049), (74, 291571), (161, 134014), (259, 83306), (322, 67007), (518, 41653), (851, 25354), (1702, 12677), (1811, 11914), (3622, 5957)]