21463254

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 26759466

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 127, 229, 246, 254, 369, 381, 458, 687, 738, 762, 1143, 1374, 2061, 2286, 4122, 5207, 9389, 10414, 15621, 18778, 28167, 29083, 31242, 46863, 56334, 58166, 84501, 87249, 93726, 169002, 174498, 261747, 523494, 1192403, 2384806, 3577209, 7154418, 10731627, 21463254]

約数ペア:

[(1, 21463254), (2, 10731627), (3, 7154418), (6, 3577209), (9, 2384806), (18, 1192403), (41, 523494), (82, 261747), (123, 174498), (127, 169002), (229, 93726), (246, 87249), (254, 84501), (369, 58166), (381, 56334), (458, 46863), (687, 31242), (738, 29083), (762, 28167), (1143, 18778), (1374, 15621), (2061, 10414), (2286, 9389), (4122, 5207)]