21103936

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:216

約数の個数: 84

約数和(自身を含む): 51153568

約数和(自身を除く): 30049632

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 163, 224, 238, 272, 289, 326, 448, 476, 544, 578, 652, 952, 1088, 1141, 1156, 1304, 1904, 2023, 2282, 2312, 2608, 2771, 3808, 4046, 4564, 4624, 5216, 5542, 7616, 8092, 9128, 9248, 10432, 11084, 16184, 18256, 18496, 19397, 22168, 32368, 36512, 38794, 44336, 47107, 64736, 73024, 77588, 88672, 94214, 129472, 155176, 177344, 188428, 310352, 329749, 376856, 620704, 659498, 753712, 1241408, 1318996, 1507424, 2637992, 3014848, 5275984, 10551968, 21103936]

約数ペア:

[(1, 21103936), (2, 10551968), (4, 5275984), (7, 3014848), (8, 2637992), (14, 1507424), (16, 1318996), (17, 1241408), (28, 753712), (32, 659498), (34, 620704), (56, 376856), (64, 329749), (68, 310352), (112, 188428), (119, 177344), (136, 155176), (163, 129472), (224, 94214), (238, 88672), (272, 77588), (289, 73024), (326, 64736), (448, 47107), (476, 44336), (544, 38794), (578, 36512), (652, 32368), (952, 22168), (1088, 19397), (1141, 18496), (1156, 18256), (1304, 16184), (1904, 11084), (2023, 10432), (2282, 9248), (2312, 9128), (2608, 8092), (2771, 7616), (3808, 5542), (4046, 5216), (4564, 4624)]