21053448

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 62375040

約数和(自身を除く): 41321592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 83, 104, 117, 156, 166, 234, 249, 271, 312, 332, 468, 498, 542, 664, 747, 813, 936, 996, 1079, 1084, 1494, 1626, 1992, 2158, 2168, 2439, 2988, 3237, 3252, 3523, 4316, 4878, 5976, 6474, 6504, 7046, 8632, 9711, 9756, 10569, 12948, 14092, 19422, 19512, 21138, 22493, 25896, 28184, 31707, 38844, 42276, 44986, 63414, 67479, 77688, 84552, 89972, 126828, 134958, 179944, 202437, 253656, 269916, 292409, 404874, 539832, 584818, 809748, 877227, 1169636, 1619496, 1754454, 2339272, 2631681, 3508908, 5263362, 7017816, 10526724, 21053448]

約数ペア:

[(1, 21053448), (2, 10526724), (3, 7017816), (4, 5263362), (6, 3508908), (8, 2631681), (9, 2339272), (12, 1754454), (13, 1619496), (18, 1169636), (24, 877227), (26, 809748), (36, 584818), (39, 539832), (52, 404874), (72, 292409), (78, 269916), (83, 253656), (104, 202437), (117, 179944), (156, 134958), (166, 126828), (234, 89972), (249, 84552), (271, 77688), (312, 67479), (332, 63414), (468, 44986), (498, 42276), (542, 38844), (664, 31707), (747, 28184), (813, 25896), (936, 22493), (996, 21138), (1079, 19512), (1084, 19422), (1494, 14092), (1626, 12948), (1992, 10569), (2158, 9756), (2168, 9711), (2439, 8632), (2988, 7046), (3237, 6504), (3252, 6474), (3523, 5976), (4316, 4878)]