21907536

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{577}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 65364864

約数和(自身を除く): 43457328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 113, 168, 226, 336, 339, 452, 577, 678, 791, 904, 1154, 1356, 1582, 1731, 1808, 2308, 2373, 2712, 3164, 3462, 4039, 4616, 4746, 5424, 6328, 6924, 8078, 9232, 9492, 12117, 12656, 13848, 16156, 18984, 24234, 27696, 32312, 37968, 48468, 64624, 65201, 96936, 130402, 193872, 195603, 260804, 391206, 456407, 521608, 782412, 912814, 1043216, 1369221, 1564824, 1825628, 2738442, 3129648, 3651256, 5476884, 7302512, 10953768, 21907536]

約数ペア:

[(1, 21907536), (2, 10953768), (3, 7302512), (4, 5476884), (6, 3651256), (7, 3129648), (8, 2738442), (12, 1825628), (14, 1564824), (16, 1369221), (21, 1043216), (24, 912814), (28, 782412), (42, 521608), (48, 456407), (56, 391206), (84, 260804), (112, 195603), (113, 193872), (168, 130402), (226, 96936), (336, 65201), (339, 64624), (452, 48468), (577, 37968), (678, 32312), (791, 27696), (904, 24234), (1154, 18984), (1356, 16156), (1582, 13848), (1731, 12656), (1808, 12117), (2308, 9492), (2373, 9232), (2712, 8078), (3164, 6924), (3462, 6328), (4039, 5424), (4616, 4746)]