21208599

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3533}}^1$

素因数の和:3591

約数の個数: 24

約数和(自身を含む): 33078240

約数和(自身を除く): 11869641

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 3533, 6003, 10599, 31797, 81259, 102457, 243777, 307371, 731331, 922113, 2356511, 7069533, 21208599]

約数ペア:

[(1, 21208599), (3, 7069533), (9, 2356511), (23, 922113), (29, 731331), (69, 307371), (87, 243777), (207, 102457), (261, 81259), (667, 31797), (2001, 10599), (3533, 6003)]