21017216

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 48837600

約数和(自身を除く): 27820384

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 59, 64, 88, 92, 118, 121, 128, 176, 184, 236, 242, 253, 352, 368, 472, 484, 506, 649, 704, 736, 944, 968, 1012, 1298, 1357, 1408, 1472, 1888, 1936, 2024, 2596, 2714, 2783, 2944, 3776, 3872, 4048, 5192, 5428, 5566, 7139, 7552, 7744, 8096, 10384, 10856, 11132, 14278, 14927, 15488, 16192, 20768, 21712, 22264, 28556, 29854, 32384, 41536, 43424, 44528, 57112, 59708, 83072, 86848, 89056, 114224, 119416, 164197, 173696, 178112, 228448, 238832, 328394, 356224, 456896, 477664, 656788, 913792, 955328, 1313576, 1910656, 2627152, 5254304, 10508608, 21017216]

約数ペア:

[(1, 21017216), (2, 10508608), (4, 5254304), (8, 2627152), (11, 1910656), (16, 1313576), (22, 955328), (23, 913792), (32, 656788), (44, 477664), (46, 456896), (59, 356224), (64, 328394), (88, 238832), (92, 228448), (118, 178112), (121, 173696), (128, 164197), (176, 119416), (184, 114224), (236, 89056), (242, 86848), (253, 83072), (352, 59708), (368, 57112), (472, 44528), (484, 43424), (506, 41536), (649, 32384), (704, 29854), (736, 28556), (944, 22264), (968, 21712), (1012, 20768), (1298, 16192), (1357, 15488), (1408, 14927), (1472, 14278), (1888, 11132), (1936, 10856), (2024, 10384), (2596, 8096), (2714, 7744), (2783, 7552), (2944, 7139), (3776, 5566), (3872, 5428), (4048, 5192)]