21247956

素因数分解:

$2^2\times 3^2\times {\mathrm{673}}^1\times {\mathrm{877}}^1$

素因数の和:1560

約数の個数: 36

約数和(自身を含む): 53851252

約数和(自身を除く): 32603296

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 673, 877, 1346, 1754, 2019, 2631, 2692, 3508, 4038, 5262, 6057, 7893, 8076, 10524, 12114, 15786, 24228, 31572, 590221, 1180442, 1770663, 2360884, 3541326, 5311989, 7082652, 10623978, 21247956]

約数ペア:

[(1, 21247956), (2, 10623978), (3, 7082652), (4, 5311989), (6, 3541326), (9, 2360884), (12, 1770663), (18, 1180442), (36, 590221), (673, 31572), (877, 24228), (1346, 15786), (1754, 12114), (2019, 10524), (2631, 8076), (2692, 7893), (3508, 6057), (4038, 5262)]