21638055712

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7430651}}^1$

素因数の和:7430681

約数の個数: 48

約数和(自身を含む): 52430680512

約数和(自身を除く): 30792624800

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 7430651, 14861302, 29722604, 52014557, 59445208, 96598463, 104029114, 118890416, 193196926, 208058228, 237780832, 386393852, 416116456, 676189241, 772787704, 832232912, 1352378482, 1545575408, 1664465824, 2704756964, 3091150816, 5409513928, 10819027856, 21638055712]

約数ペア:

[(1, 21638055712), (2, 10819027856), (4, 5409513928), (7, 3091150816), (8, 2704756964), (13, 1664465824), (14, 1545575408), (16, 1352378482), (26, 832232912), (28, 772787704), (32, 676189241), (52, 416116456), (56, 386393852), (91, 237780832), (104, 208058228), (112, 193196926), (182, 118890416), (208, 104029114), (224, 96598463), (364, 59445208), (416, 52014557), (728, 29722604), (1456, 14861302), (2912, 7430651)]