21913992

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 63554400

約数和(自身を除く): 41640408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 83, 114, 152, 166, 171, 193, 228, 249, 332, 342, 386, 456, 498, 579, 664, 684, 747, 772, 996, 1158, 1368, 1494, 1544, 1577, 1737, 1992, 2316, 2988, 3154, 3474, 3667, 4632, 4731, 5976, 6308, 6948, 7334, 9462, 11001, 12616, 13896, 14193, 14668, 16019, 18924, 22002, 28386, 29336, 32038, 33003, 37848, 44004, 48057, 56772, 64076, 66006, 88008, 96114, 113544, 128152, 132012, 144171, 192228, 264024, 288342, 304361, 384456, 576684, 608722, 913083, 1153368, 1217444, 1826166, 2434888, 2739249, 3652332, 5478498, 7304664, 10956996, 21913992]

約数ペア:

[(1, 21913992), (2, 10956996), (3, 7304664), (4, 5478498), (6, 3652332), (8, 2739249), (9, 2434888), (12, 1826166), (18, 1217444), (19, 1153368), (24, 913083), (36, 608722), (38, 576684), (57, 384456), (72, 304361), (76, 288342), (83, 264024), (114, 192228), (152, 144171), (166, 132012), (171, 128152), (193, 113544), (228, 96114), (249, 88008), (332, 66006), (342, 64076), (386, 56772), (456, 48057), (498, 44004), (579, 37848), (664, 33003), (684, 32038), (747, 29336), (772, 28386), (996, 22002), (1158, 18924), (1368, 16019), (1494, 14668), (1544, 14193), (1577, 13896), (1737, 12616), (1992, 11001), (2316, 9462), (2988, 7334), (3154, 6948), (3474, 6308), (3667, 5976), (4632, 4731)]