2021043968

素因数分解:

$2^8\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{443}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 4116583296

約数和(自身を除く): 2095539328

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 251, 256, 284, 443, 502, 568, 886, 1004, 1136, 1772, 2008, 2272, 3544, 4016, 4544, 7088, 8032, 9088, 14176, 16064, 17821, 18176, 28352, 31453, 32128, 35642, 56704, 62906, 64256, 71284, 111193, 113408, 125812, 142568, 222386, 251624, 285136, 444772, 503248, 570272, 889544, 1006496, 1140544, 1779088, 2012992, 2281088, 3558176, 4025984, 4562176, 7116352, 7894703, 8051968, 14232704, 15789406, 28465408, 31578812, 63157624, 126315248, 252630496, 505260992, 1010521984, 2021043968]

約数ペア:

[(1, 2021043968), (2, 1010521984), (4, 505260992), (8, 252630496), (16, 126315248), (32, 63157624), (64, 31578812), (71, 28465408), (128, 15789406), (142, 14232704), (251, 8051968), (256, 7894703), (284, 7116352), (443, 4562176), (502, 4025984), (568, 3558176), (886, 2281088), (1004, 2012992), (1136, 1779088), (1772, 1140544), (2008, 1006496), (2272, 889544), (3544, 570272), (4016, 503248), (4544, 444772), (7088, 285136), (8032, 251624), (9088, 222386), (14176, 142568), (16064, 125812), (17821, 113408), (18176, 111193), (28352, 71284), (31453, 64256), (32128, 62906), (35642, 56704)]