21977406

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^1\times {\mathrm{4111}}^1$

素因数の和:4139

約数の個数: 48

約数和(自身を含む): 53883648

約数和(自身を除く): 31906242

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 243, 297, 486, 594, 891, 1782, 2673, 4111, 5346, 8222, 12333, 24666, 36999, 45221, 73998, 90442, 110997, 135663, 221994, 271326, 332991, 406989, 665982, 813978, 998973, 1220967, 1997946, 2441934, 3662901, 7325802, 10988703, 21977406]

約数ペア:

[(1, 21977406), (2, 10988703), (3, 7325802), (6, 3662901), (9, 2441934), (11, 1997946), (18, 1220967), (22, 998973), (27, 813978), (33, 665982), (54, 406989), (66, 332991), (81, 271326), (99, 221994), (162, 135663), (198, 110997), (243, 90442), (297, 73998), (486, 45221), (594, 36999), (891, 24666), (1782, 12333), (2673, 8222), (4111, 5346)]