21115691056

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{2633}}^1\times {\mathrm{7481}}^1$

素因数の和:10189

約数の個数: 40

約数和(自身を含む): 41543595504

約数和(自身を除く): 20427904448

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 2633, 5266, 7481, 10532, 14962, 21064, 29924, 42128, 59848, 119696, 176411, 352822, 501227, 705644, 1002454, 1411288, 2004908, 2822576, 4009816, 8019632, 19697473, 39394946, 78789892, 157579784, 315159568, 1319730691, 2639461382, 5278922764, 10557845528, 21115691056]

約数ペア:

[(1, 21115691056), (2, 10557845528), (4, 5278922764), (8, 2639461382), (16, 1319730691), (67, 315159568), (134, 157579784), (268, 78789892), (536, 39394946), (1072, 19697473), (2633, 8019632), (5266, 4009816), (7481, 2822576), (10532, 2004908), (14962, 1411288), (21064, 1002454), (29924, 705644), (42128, 501227), (59848, 352822), (119696, 176411)]