21895456

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3659}}^1$

素因数の和:3697

約数の個数: 48

約数和(自身を含む): 49805280

約数和(自身を除く): 27909824

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3659, 5984, 7318, 14636, 29272, 40249, 58544, 62203, 80498, 117088, 124406, 160996, 248812, 321992, 497624, 643984, 684233, 995248, 1287968, 1368466, 1990496, 2736932, 5473864, 10947728, 21895456]

約数ペア:

[(1, 21895456), (2, 10947728), (4, 5473864), (8, 2736932), (11, 1990496), (16, 1368466), (17, 1287968), (22, 995248), (32, 684233), (34, 643984), (44, 497624), (68, 321992), (88, 248812), (136, 160996), (176, 124406), (187, 117088), (272, 80498), (352, 62203), (374, 58544), (544, 40249), (748, 29272), (1496, 14636), (2992, 7318), (3659, 5984)]