21073603456

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{15391}}^1$

素因数の和:15987

約数の個数: 64

約数和(自身を含む): 44273548800

約数和(自身を除く): 23199945344

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 563, 608, 1126, 1216, 2252, 2432, 4504, 9008, 10697, 15391, 18016, 21394, 30782, 36032, 42788, 61564, 72064, 85576, 123128, 171152, 246256, 292429, 342304, 492512, 584858, 684608, 985024, 1169716, 1369216, 1970048, 2339432, 4678864, 8665133, 9357728, 17330266, 18715456, 34660532, 37430912, 69321064, 138642128, 164637527, 277284256, 329275054, 554568512, 658550108, 1109137024, 1317100216, 2634200432, 5268400864, 10536801728, 21073603456]

約数ペア:

[(1, 21073603456), (2, 10536801728), (4, 5268400864), (8, 2634200432), (16, 1317100216), (19, 1109137024), (32, 658550108), (38, 554568512), (64, 329275054), (76, 277284256), (128, 164637527), (152, 138642128), (304, 69321064), (563, 37430912), (608, 34660532), (1126, 18715456), (1216, 17330266), (2252, 9357728), (2432, 8665133), (4504, 4678864), (9008, 2339432), (10697, 1970048), (15391, 1369216), (18016, 1169716), (21394, 985024), (30782, 684608), (36032, 584858), (42788, 492512), (61564, 342304), (72064, 292429), (85576, 246256), (123128, 171152)]