21139937291

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1\times {\mathrm{2803}}^1$

素因数の和:4163

約数の個数: 32

約数和(自身を含む): 25234384896

約数和(自身を除く): 4094447605

約数列:

[1, 11, 17, 31, 187, 341, 527, 1301, 2803, 5797, 14311, 22117, 30833, 40331, 47651, 86893, 243287, 443641, 524161, 685627, 955823, 1477181, 3646703, 7541897, 16248991, 40113733, 61993951, 113047793, 681933461, 1243525723, 1921812481, 21139937291]

約数ペア:

[(1, 21139937291), (11, 1921812481), (17, 1243525723), (31, 681933461), (187, 113047793), (341, 61993951), (527, 40113733), (1301, 16248991), (2803, 7541897), (5797, 3646703), (14311, 1477181), (22117, 955823), (30833, 685627), (40331, 524161), (47651, 443641), (86893, 243287)]