21216312

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1237

約数の個数: 96

約数和(自身を含む): 65192400

約数和(自身を除く): 43976088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 104, 114, 117, 152, 156, 171, 228, 234, 247, 312, 342, 456, 468, 494, 684, 741, 936, 988, 1193, 1368, 1482, 1976, 2223, 2386, 2964, 3579, 4446, 4772, 5928, 7158, 8892, 9544, 10737, 14316, 15509, 17784, 21474, 22667, 28632, 31018, 42948, 45334, 46527, 62036, 68001, 85896, 90668, 93054, 124072, 136002, 139581, 181336, 186108, 204003, 272004, 279162, 294671, 372216, 408006, 544008, 558324, 589342, 816012, 884013, 1116648, 1178684, 1632024, 1768026, 2357368, 2652039, 3536052, 5304078, 7072104, 10608156, 21216312]

約数ペア:

[(1, 21216312), (2, 10608156), (3, 7072104), (4, 5304078), (6, 3536052), (8, 2652039), (9, 2357368), (12, 1768026), (13, 1632024), (18, 1178684), (19, 1116648), (24, 884013), (26, 816012), (36, 589342), (38, 558324), (39, 544008), (52, 408006), (57, 372216), (72, 294671), (76, 279162), (78, 272004), (104, 204003), (114, 186108), (117, 181336), (152, 139581), (156, 136002), (171, 124072), (228, 93054), (234, 90668), (247, 85896), (312, 68001), (342, 62036), (456, 46527), (468, 45334), (494, 42948), (684, 31018), (741, 28632), (936, 22667), (988, 21474), (1193, 17784), (1368, 15509), (1482, 14316), (1976, 10737), (2223, 9544), (2386, 8892), (2964, 7158), (3579, 5928), (4446, 4772)]