21658527

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{757}}^1$

素因数の和:808

約数の個数: 36

約数和(自身を含む): 36302136

約数和(自身を除く): 14643609

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 289, 561, 757, 867, 1683, 2271, 2601, 3179, 6813, 8327, 9537, 12869, 24981, 28611, 38607, 74943, 115821, 141559, 218773, 424677, 656319, 1274031, 1968957, 2406503, 7219509, 21658527]

約数ペア:

[(1, 21658527), (3, 7219509), (9, 2406503), (11, 1968957), (17, 1274031), (33, 656319), (51, 424677), (99, 218773), (153, 141559), (187, 115821), (289, 74943), (561, 38607), (757, 28611), (867, 24981), (1683, 12869), (2271, 9537), (2601, 8327), (3179, 6813)]