21798234

素因数分解:

$2^1\times 3^4\times {\mathrm{239}}^1\times {\mathrm{563}}^1$

素因数の和:816

約数の個数: 40

約数和(自身を含む): 49135680

約数和(自身を除く): 27337446

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 239, 478, 563, 717, 1126, 1434, 1689, 2151, 3378, 4302, 5067, 6453, 10134, 12906, 15201, 19359, 30402, 38718, 45603, 91206, 134557, 269114, 403671, 807342, 1211013, 2422026, 3633039, 7266078, 10899117, 21798234]

約数ペア:

[(1, 21798234), (2, 10899117), (3, 7266078), (6, 3633039), (9, 2422026), (18, 1211013), (27, 807342), (54, 403671), (81, 269114), (162, 134557), (239, 91206), (478, 45603), (563, 38718), (717, 30402), (1126, 19359), (1434, 15201), (1689, 12906), (2151, 10134), (3378, 6453), (4302, 5067)]