21046737

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 31313920

約数和(自身を除く): 10267183

約数列:

[1, 3, 19, 31, 43, 57, 93, 129, 277, 589, 817, 831, 1333, 1767, 2451, 3999, 5263, 8587, 11911, 15789, 25327, 25761, 35733, 75981, 163153, 226309, 369241, 489459, 678927, 1107723, 7015579, 21046737]

約数ペア:

[(1, 21046737), (3, 7015579), (19, 1107723), (31, 678927), (43, 489459), (57, 369241), (93, 226309), (129, 163153), (277, 75981), (589, 35733), (817, 25761), (831, 25327), (1333, 15789), (1767, 11911), (2451, 8587), (3999, 5263)]