21843612

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 67704000

約数和(自身を除く): 45860388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 49, 58, 61, 63, 84, 87, 98, 116, 122, 126, 147, 174, 183, 196, 203, 244, 252, 261, 294, 343, 348, 366, 406, 427, 441, 522, 549, 588, 609, 686, 732, 812, 854, 882, 1029, 1044, 1098, 1218, 1281, 1372, 1421, 1708, 1764, 1769, 1827, 2058, 2196, 2436, 2562, 2842, 2989, 3087, 3538, 3654, 3843, 4116, 4263, 5124, 5307, 5684, 5978, 6174, 7076, 7308, 7686, 8526, 8967, 9947, 10614, 11956, 12348, 12383, 12789, 15372, 15921, 17052, 17934, 19894, 20923, 21228, 24766, 25578, 26901, 29841, 31842, 35868, 37149, 39788, 41846, 49532, 51156, 53802, 59682, 62769, 63684, 74298, 83692, 86681, 89523, 107604, 111447, 119364, 125538, 148596, 173362, 179046, 188307, 222894, 251076, 260043, 346724, 358092, 376614, 445788, 520086, 606767, 753228, 780129, 1040172, 1213534, 1560258, 1820301, 2427068, 3120516, 3640602, 5460903, 7281204, 10921806, 21843612]

約数ペア:

[(1, 21843612), (2, 10921806), (3, 7281204), (4, 5460903), (6, 3640602), (7, 3120516), (9, 2427068), (12, 1820301), (14, 1560258), (18, 1213534), (21, 1040172), (28, 780129), (29, 753228), (36, 606767), (42, 520086), (49, 445788), (58, 376614), (61, 358092), (63, 346724), (84, 260043), (87, 251076), (98, 222894), (116, 188307), (122, 179046), (126, 173362), (147, 148596), (174, 125538), (183, 119364), (196, 111447), (203, 107604), (244, 89523), (252, 86681), (261, 83692), (294, 74298), (343, 63684), (348, 62769), (366, 59682), (406, 53802), (427, 51156), (441, 49532), (522, 41846), (549, 39788), (588, 37149), (609, 35868), (686, 31842), (732, 29841), (812, 26901), (854, 25578), (882, 24766), (1029, 21228), (1044, 20923), (1098, 19894), (1218, 17934), (1281, 17052), (1372, 15921), (1421, 15372), (1708, 12789), (1764, 12383), (1769, 12348), (1827, 11956), (2058, 10614), (2196, 9947), (2436, 8967), (2562, 8526), (2842, 7686), (2989, 7308), (3087, 7076), (3538, 6174), (3654, 5978), (3843, 5684), (4116, 5307), (4263, 5124)]