21249984

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 112

約数和(自身を含む): 65316608

約数和(自身を除く): 44066624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 97, 112, 163, 168, 192, 194, 224, 291, 326, 336, 388, 448, 489, 582, 652, 672, 679, 776, 978, 1141, 1164, 1304, 1344, 1358, 1552, 1956, 2037, 2282, 2328, 2608, 2716, 3104, 3423, 3912, 4074, 4564, 4656, 5216, 5432, 6208, 6846, 7824, 8148, 9128, 9312, 10432, 10864, 13692, 15648, 15811, 16296, 18256, 18624, 21728, 27384, 31296, 31622, 32592, 36512, 43456, 47433, 54768, 63244, 65184, 73024, 94866, 109536, 110677, 126488, 130368, 189732, 219072, 221354, 252976, 332031, 379464, 442708, 505952, 664062, 758928, 885416, 1011904, 1328124, 1517856, 1770832, 2656248, 3035712, 3541664, 5312496, 7083328, 10624992, 21249984]

約数ペア:

[(1, 21249984), (2, 10624992), (3, 7083328), (4, 5312496), (6, 3541664), (7, 3035712), (8, 2656248), (12, 1770832), (14, 1517856), (16, 1328124), (21, 1011904), (24, 885416), (28, 758928), (32, 664062), (42, 505952), (48, 442708), (56, 379464), (64, 332031), (84, 252976), (96, 221354), (97, 219072), (112, 189732), (163, 130368), (168, 126488), (192, 110677), (194, 109536), (224, 94866), (291, 73024), (326, 65184), (336, 63244), (388, 54768), (448, 47433), (489, 43456), (582, 36512), (652, 32592), (672, 31622), (679, 31296), (776, 27384), (978, 21728), (1141, 18624), (1164, 18256), (1304, 16296), (1344, 15811), (1358, 15648), (1552, 13692), (1956, 10864), (2037, 10432), (2282, 9312), (2328, 9128), (2608, 8148), (2716, 7824), (3104, 6846), (3423, 6208), (3912, 5432), (4074, 5216), (4564, 4656)]