21771264

素因数分解:

$2^{10}\times 3^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:415

約数の個数: 88

約数和(自身を含む): 61246240

約数和(自身を除く): 39474976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 373, 384, 456, 512, 608, 746, 768, 912, 1024, 1119, 1216, 1492, 1536, 1824, 2238, 2432, 2984, 3072, 3648, 4476, 4864, 5968, 7087, 7296, 8952, 9728, 11936, 14174, 14592, 17904, 19456, 21261, 23872, 28348, 29184, 35808, 42522, 47744, 56696, 58368, 71616, 85044, 95488, 113392, 143232, 170088, 190976, 226784, 286464, 340176, 381952, 453568, 572928, 680352, 907136, 1145856, 1360704, 1814272, 2721408, 3628544, 5442816, 7257088, 10885632, 21771264]

約数ペア:

[(1, 21771264), (2, 10885632), (3, 7257088), (4, 5442816), (6, 3628544), (8, 2721408), (12, 1814272), (16, 1360704), (19, 1145856), (24, 907136), (32, 680352), (38, 572928), (48, 453568), (57, 381952), (64, 340176), (76, 286464), (96, 226784), (114, 190976), (128, 170088), (152, 143232), (192, 113392), (228, 95488), (256, 85044), (304, 71616), (373, 58368), (384, 56696), (456, 47744), (512, 42522), (608, 35808), (746, 29184), (768, 28348), (912, 23872), (1024, 21261), (1119, 19456), (1216, 17904), (1492, 14592), (1536, 14174), (1824, 11936), (2238, 9728), (2432, 8952), (2984, 7296), (3072, 7087), (3648, 5968), (4476, 4864)]