21888306

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:269

約数の個数: 80

約数和(自身を含む): 54571968

約数和(自身を除く): 32683662

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 71, 81, 99, 142, 162, 173, 198, 213, 297, 346, 426, 519, 594, 639, 781, 891, 1038, 1278, 1557, 1562, 1782, 1903, 1917, 2343, 3114, 3806, 3834, 4671, 4686, 5709, 5751, 7029, 9342, 11418, 11502, 12283, 14013, 14058, 17127, 21087, 24566, 28026, 34254, 36849, 42174, 51381, 63261, 73698, 102762, 110547, 126522, 135113, 154143, 221094, 270226, 308286, 331641, 405339, 663282, 810678, 994923, 1216017, 1989846, 2432034, 3648051, 7296102, 10944153, 21888306]

約数ペア:

[(1, 21888306), (2, 10944153), (3, 7296102), (6, 3648051), (9, 2432034), (11, 1989846), (18, 1216017), (22, 994923), (27, 810678), (33, 663282), (54, 405339), (66, 331641), (71, 308286), (81, 270226), (99, 221094), (142, 154143), (162, 135113), (173, 126522), (198, 110547), (213, 102762), (297, 73698), (346, 63261), (426, 51381), (519, 42174), (594, 36849), (639, 34254), (781, 28026), (891, 24566), (1038, 21087), (1278, 17127), (1557, 14058), (1562, 14013), (1782, 12283), (1903, 11502), (1917, 11418), (2343, 9342), (3114, 7029), (3806, 5751), (3834, 5709), (4671, 4686)]