21085227

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2753}}^1$

素因数の和:2819

約数の個数: 24

約数和(自身を含む): 32651424

約数和(自身を除く): 11566197

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 2753, 7659, 8259, 24777, 63319, 101861, 189957, 305583, 569871, 916749, 2342803, 7028409, 21085227]

約数ペア:

[(1, 21085227), (3, 7028409), (9, 2342803), (23, 916749), (37, 569871), (69, 305583), (111, 189957), (207, 101861), (333, 63319), (851, 24777), (2553, 8259), (2753, 7659)]