21196248

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 60825600

約数和(自身を除く): 39629352

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 43, 46, 47, 57, 69, 76, 86, 92, 94, 114, 129, 138, 141, 152, 172, 184, 188, 228, 258, 276, 282, 344, 376, 437, 456, 516, 552, 564, 817, 874, 893, 989, 1032, 1081, 1128, 1311, 1634, 1748, 1786, 1978, 2021, 2162, 2451, 2622, 2679, 2967, 3243, 3268, 3496, 3572, 3956, 4042, 4324, 4902, 5244, 5358, 5934, 6063, 6486, 6536, 7144, 7912, 8084, 8648, 9804, 10488, 10716, 11868, 12126, 12972, 16168, 18791, 19608, 20539, 21432, 23736, 24252, 25944, 37582, 38399, 41078, 46483, 48504, 56373, 61617, 75164, 76798, 82156, 92966, 112746, 115197, 123234, 139449, 150328, 153596, 164312, 185932, 225492, 230394, 246468, 278898, 307192, 371864, 450984, 460788, 492936, 557796, 883177, 921576, 1115592, 1766354, 2649531, 3532708, 5299062, 7065416, 10598124, 21196248]

約数ペア:

[(1, 21196248), (2, 10598124), (3, 7065416), (4, 5299062), (6, 3532708), (8, 2649531), (12, 1766354), (19, 1115592), (23, 921576), (24, 883177), (38, 557796), (43, 492936), (46, 460788), (47, 450984), (57, 371864), (69, 307192), (76, 278898), (86, 246468), (92, 230394), (94, 225492), (114, 185932), (129, 164312), (138, 153596), (141, 150328), (152, 139449), (172, 123234), (184, 115197), (188, 112746), (228, 92966), (258, 82156), (276, 76798), (282, 75164), (344, 61617), (376, 56373), (437, 48504), (456, 46483), (516, 41078), (552, 38399), (564, 37582), (817, 25944), (874, 24252), (893, 23736), (989, 21432), (1032, 20539), (1081, 19608), (1128, 18791), (1311, 16168), (1634, 12972), (1748, 12126), (1786, 11868), (1978, 10716), (2021, 10488), (2162, 9804), (2451, 8648), (2622, 8084), (2679, 7912), (2967, 7144), (3243, 6536), (3268, 6486), (3496, 6063), (3572, 5934), (3956, 5358), (4042, 5244), (4324, 4902)]