21633536

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 25506304

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 47, 58, 62, 64, 94, 116, 124, 128, 188, 232, 248, 256, 376, 464, 496, 512, 752, 899, 928, 992, 1363, 1457, 1504, 1798, 1856, 1984, 2726, 2914, 3008, 3596, 3712, 3968, 5452, 5828, 6016, 7192, 7424, 7936, 10904, 11656, 12032, 14384, 14848, 15872, 21808, 23312, 24064, 28768, 42253, 43616, 46624, 57536, 84506, 87232, 93248, 115072, 169012, 174464, 186496, 230144, 338024, 348928, 372992, 460288, 676048, 697856, 745984, 1352096, 2704192, 5408384, 10816768, 21633536]

約数ペア:

[(1, 21633536), (2, 10816768), (4, 5408384), (8, 2704192), (16, 1352096), (29, 745984), (31, 697856), (32, 676048), (47, 460288), (58, 372992), (62, 348928), (64, 338024), (94, 230144), (116, 186496), (124, 174464), (128, 169012), (188, 115072), (232, 93248), (248, 87232), (256, 84506), (376, 57536), (464, 46624), (496, 43616), (512, 42253), (752, 28768), (899, 24064), (928, 23312), (992, 21808), (1363, 15872), (1457, 14848), (1504, 14384), (1798, 12032), (1856, 11656), (1984, 10904), (2726, 7936), (2914, 7424), (3008, 7192), (3596, 6016), (3712, 5828), (3968, 5452)]