21828492

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 68490240

約数和(自身を除く): 46661748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 47, 57, 63, 76, 84, 94, 97, 114, 126, 133, 141, 171, 188, 194, 228, 252, 266, 282, 291, 329, 342, 388, 399, 423, 532, 564, 582, 658, 679, 684, 798, 846, 873, 893, 987, 1164, 1197, 1316, 1358, 1596, 1692, 1746, 1786, 1843, 1974, 2037, 2394, 2679, 2716, 2961, 3492, 3572, 3686, 3948, 4074, 4559, 4788, 5358, 5529, 5922, 6111, 6251, 7372, 8037, 8148, 9118, 10716, 11058, 11844, 12222, 12502, 12901, 13677, 16074, 16587, 18236, 18753, 22116, 24444, 25004, 25802, 27354, 31913, 32148, 33174, 37506, 38703, 41031, 51604, 54708, 56259, 63826, 66348, 75012, 77406, 82062, 86621, 95739, 112518, 116109, 127652, 154812, 164124, 173242, 191478, 225036, 232218, 259863, 287217, 346484, 382956, 464436, 519726, 574434, 606347, 779589, 1039452, 1148868, 1212694, 1559178, 1819041, 2425388, 3118356, 3638082, 5457123, 7276164, 10914246, 21828492]

約数ペア:

[(1, 21828492), (2, 10914246), (3, 7276164), (4, 5457123), (6, 3638082), (7, 3118356), (9, 2425388), (12, 1819041), (14, 1559178), (18, 1212694), (19, 1148868), (21, 1039452), (28, 779589), (36, 606347), (38, 574434), (42, 519726), (47, 464436), (57, 382956), (63, 346484), (76, 287217), (84, 259863), (94, 232218), (97, 225036), (114, 191478), (126, 173242), (133, 164124), (141, 154812), (171, 127652), (188, 116109), (194, 112518), (228, 95739), (252, 86621), (266, 82062), (282, 77406), (291, 75012), (329, 66348), (342, 63826), (388, 56259), (399, 54708), (423, 51604), (532, 41031), (564, 38703), (582, 37506), (658, 33174), (679, 32148), (684, 31913), (798, 27354), (846, 25802), (873, 25004), (893, 24444), (987, 22116), (1164, 18753), (1197, 18236), (1316, 16587), (1358, 16074), (1596, 13677), (1692, 12901), (1746, 12502), (1786, 12222), (1843, 11844), (1974, 11058), (2037, 10716), (2394, 9118), (2679, 8148), (2716, 8037), (2961, 7372), (3492, 6251), (3572, 6111), (3686, 5922), (3948, 5529), (4074, 5358), (4559, 4788)]