21449856

素因数分解:

$2^7\times 3^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:773

約数の個数: 64

約数和(自身を含む): 57748320

約数和(自身を除く): 36298464

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 166, 192, 249, 332, 384, 498, 664, 673, 996, 1328, 1346, 1992, 2019, 2656, 2692, 3984, 4038, 5312, 5384, 7968, 8076, 10624, 10768, 15936, 16152, 21536, 31872, 32304, 43072, 55859, 64608, 86144, 111718, 129216, 167577, 223436, 258432, 335154, 446872, 670308, 893744, 1340616, 1787488, 2681232, 3574976, 5362464, 7149952, 10724928, 21449856]

約数ペア:

[(1, 21449856), (2, 10724928), (3, 7149952), (4, 5362464), (6, 3574976), (8, 2681232), (12, 1787488), (16, 1340616), (24, 893744), (32, 670308), (48, 446872), (64, 335154), (83, 258432), (96, 223436), (128, 167577), (166, 129216), (192, 111718), (249, 86144), (332, 64608), (384, 55859), (498, 43072), (664, 32304), (673, 31872), (996, 21536), (1328, 16152), (1346, 15936), (1992, 10768), (2019, 10624), (2656, 8076), (2692, 7968), (3984, 5384), (4038, 5312)]