21146697

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5477}}^1$

素因数の和:5510

約数の個数: 32

約数和(自身を含む): 36812160

約数和(自身を除く): 15665463

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5477, 16431, 49293, 60247, 71201, 147879, 180741, 213603, 542223, 640809, 783211, 1626669, 1922427, 2349633, 7048899, 21146697]

約数ペア:

[(1, 21146697), (3, 7048899), (9, 2349633), (11, 1922427), (13, 1626669), (27, 783211), (33, 640809), (39, 542223), (99, 213603), (117, 180741), (143, 147879), (297, 71201), (351, 60247), (429, 49293), (1287, 16431), (3861, 5477)]