21170097

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7867}}^1$

素因数の和:7909

約数の個数: 24

約数和(自身を含む): 34367424

約数和(自身を除く): 13197327

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 7867, 23601, 70803, 102271, 180941, 306813, 542823, 920439, 1628469, 2352233, 7056699, 21170097]

約数ペア:

[(1, 21170097), (3, 7056699), (9, 2352233), (13, 1628469), (23, 920439), (39, 542823), (69, 306813), (117, 180941), (207, 102271), (299, 70803), (897, 23601), (2691, 7867)]