21839535

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21101}}^1$

素因数の和:21135

約数の個数: 24

約数和(自身を含む): 39502944

約数和(自身を除く): 17663409

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 21101, 63303, 105505, 189909, 316515, 485323, 949545, 1455969, 2426615, 4367907, 7279845, 21839535]

約数ペア:

[(1, 21839535), (3, 7279845), (5, 4367907), (9, 2426615), (15, 1455969), (23, 949545), (45, 485323), (69, 316515), (115, 189909), (207, 105505), (345, 63303), (1035, 21101)]