21941766

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1759}}^1$

素因数の和:1791

約数の個数: 80

約数和(自身を含む): 61332480

約数和(自身を除く): 39390714

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 126, 154, 162, 189, 198, 231, 297, 378, 462, 567, 594, 693, 891, 1134, 1386, 1759, 1782, 2079, 3518, 4158, 5277, 6237, 10554, 12313, 12474, 15831, 19349, 24626, 31662, 36939, 38698, 47493, 58047, 73878, 94986, 110817, 116094, 135443, 142479, 174141, 221634, 270886, 284958, 332451, 348282, 406329, 522423, 664902, 812658, 997353, 1044846, 1218987, 1567269, 1994706, 2437974, 3134538, 3656961, 7313922, 10970883, 21941766]

約数ペア:

[(1, 21941766), (2, 10970883), (3, 7313922), (6, 3656961), (7, 3134538), (9, 2437974), (11, 1994706), (14, 1567269), (18, 1218987), (21, 1044846), (22, 997353), (27, 812658), (33, 664902), (42, 522423), (54, 406329), (63, 348282), (66, 332451), (77, 284958), (81, 270886), (99, 221634), (126, 174141), (154, 142479), (162, 135443), (189, 116094), (198, 110817), (231, 94986), (297, 73878), (378, 58047), (462, 47493), (567, 38698), (594, 36939), (693, 31662), (891, 24626), (1134, 19349), (1386, 15831), (1759, 12474), (1782, 12313), (2079, 10554), (3518, 6237), (4158, 5277)]