21454884

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3187}}^1$

素因数の和:3225

約数の個数: 72

約数和(自身を含む): 62663328

約数和(自身を除く): 41208444

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 306, 374, 396, 561, 612, 748, 1122, 1683, 2244, 3187, 3366, 6374, 6732, 9561, 12748, 19122, 28683, 35057, 38244, 54179, 57366, 70114, 105171, 108358, 114732, 140228, 162537, 210342, 216716, 315513, 325074, 420684, 487611, 595969, 631026, 650148, 975222, 1191938, 1262052, 1787907, 1950444, 2383876, 3575814, 5363721, 7151628, 10727442, 21454884]

約数ペア:

[(1, 21454884), (2, 10727442), (3, 7151628), (4, 5363721), (6, 3575814), (9, 2383876), (11, 1950444), (12, 1787907), (17, 1262052), (18, 1191938), (22, 975222), (33, 650148), (34, 631026), (36, 595969), (44, 487611), (51, 420684), (66, 325074), (68, 315513), (99, 216716), (102, 210342), (132, 162537), (153, 140228), (187, 114732), (198, 108358), (204, 105171), (306, 70114), (374, 57366), (396, 54179), (561, 38244), (612, 35057), (748, 28683), (1122, 19122), (1683, 12748), (2244, 9561), (3187, 6732), (3366, 6374)]