21971466

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 54466560

約数和(自身を除く): 32495094

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 47, 54, 66, 94, 99, 141, 198, 282, 297, 423, 517, 594, 787, 846, 1034, 1269, 1551, 1574, 2361, 2538, 3102, 4653, 4722, 7083, 8657, 9306, 13959, 14166, 17314, 21249, 25971, 27918, 36989, 42498, 51942, 73978, 77913, 110967, 155826, 221934, 233739, 332901, 406879, 467478, 665802, 813758, 998703, 1220637, 1997406, 2441274, 3661911, 7323822, 10985733, 21971466]

約数ペア:

[(1, 21971466), (2, 10985733), (3, 7323822), (6, 3661911), (9, 2441274), (11, 1997406), (18, 1220637), (22, 998703), (27, 813758), (33, 665802), (47, 467478), (54, 406879), (66, 332901), (94, 233739), (99, 221934), (141, 155826), (198, 110967), (282, 77913), (297, 73978), (423, 51942), (517, 42498), (594, 36989), (787, 27918), (846, 25971), (1034, 21249), (1269, 17314), (1551, 14166), (1574, 13959), (2361, 9306), (2538, 8657), (3102, 7083), (4653, 4722)]