21803958

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 33353802

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 47, 54, 66, 71, 94, 99, 121, 141, 142, 198, 213, 242, 282, 297, 363, 423, 426, 517, 594, 639, 726, 781, 846, 1034, 1089, 1269, 1278, 1551, 1562, 1917, 2178, 2343, 2538, 3102, 3267, 3337, 3834, 4653, 4686, 5687, 6534, 6674, 7029, 8591, 9306, 10011, 11374, 13959, 14058, 17061, 17182, 20022, 21087, 25773, 27918, 30033, 34122, 36707, 42174, 51183, 51546, 60066, 73414, 77319, 90099, 102366, 110121, 153549, 154638, 180198, 220242, 231957, 307098, 330363, 403777, 463914, 660726, 807554, 991089, 1211331, 1982178, 2422662, 3633993, 7267986, 10901979, 21803958]

約数ペア:

[(1, 21803958), (2, 10901979), (3, 7267986), (6, 3633993), (9, 2422662), (11, 1982178), (18, 1211331), (22, 991089), (27, 807554), (33, 660726), (47, 463914), (54, 403777), (66, 330363), (71, 307098), (94, 231957), (99, 220242), (121, 180198), (141, 154638), (142, 153549), (198, 110121), (213, 102366), (242, 90099), (282, 77319), (297, 73414), (363, 60066), (423, 51546), (426, 51183), (517, 42174), (594, 36707), (639, 34122), (726, 30033), (781, 27918), (846, 25773), (1034, 21087), (1089, 20022), (1269, 17182), (1278, 17061), (1551, 14058), (1562, 13959), (1917, 11374), (2178, 10011), (2343, 9306), (2538, 8591), (3102, 7029), (3267, 6674), (3337, 6534), (3834, 5687), (4653, 4686)]