21502976

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 88

約数和(自身を含む): 49521024

約数和(自身を除く): 28018048

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 83, 88, 92, 128, 166, 176, 184, 253, 256, 332, 352, 368, 506, 512, 664, 704, 736, 913, 1012, 1024, 1328, 1408, 1472, 1826, 1909, 2024, 2656, 2816, 2944, 3652, 3818, 4048, 5312, 5632, 5888, 7304, 7636, 8096, 10624, 11264, 11776, 14608, 15272, 16192, 20999, 21248, 23552, 29216, 30544, 32384, 41998, 42496, 58432, 61088, 64768, 83996, 84992, 116864, 122176, 129536, 167992, 233728, 244352, 259072, 335984, 467456, 488704, 671968, 934912, 977408, 1343936, 1954816, 2687872, 5375744, 10751488, 21502976]

約数ペア:

[(1, 21502976), (2, 10751488), (4, 5375744), (8, 2687872), (11, 1954816), (16, 1343936), (22, 977408), (23, 934912), (32, 671968), (44, 488704), (46, 467456), (64, 335984), (83, 259072), (88, 244352), (92, 233728), (128, 167992), (166, 129536), (176, 122176), (184, 116864), (253, 84992), (256, 83996), (332, 64768), (352, 61088), (368, 58432), (506, 42496), (512, 41998), (664, 32384), (704, 30544), (736, 29216), (913, 23552), (1012, 21248), (1024, 20999), (1328, 16192), (1408, 15272), (1472, 14608), (1826, 11776), (1909, 11264), (2024, 10624), (2656, 8096), (2816, 7636), (2944, 7304), (3652, 5888), (3818, 5632), (4048, 5312)]