21904980964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1\times {\mathrm{8741}}^1$

素因数の和:9168

約数の個数: 48

約数和(自身を含む): 41041591920

約数和(自身を除く): 19136610956

約数列:

[1, 2, 4, 17, 34, 68, 137, 269, 274, 538, 548, 1076, 2329, 4573, 4658, 8741, 9146, 9316, 17482, 18292, 34964, 36853, 73706, 147412, 148597, 297194, 594388, 626501, 1197517, 1253002, 2351329, 2395034, 2506004, 4702658, 4790068, 9405316, 20357789, 39972593, 40715578, 79945186, 81431156, 159890372, 322132073, 644264146, 1288528292, 5476245241, 10952490482, 21904980964]

約数ペア:

[(1, 21904980964), (2, 10952490482), (4, 5476245241), (17, 1288528292), (34, 644264146), (68, 322132073), (137, 159890372), (269, 81431156), (274, 79945186), (538, 40715578), (548, 39972593), (1076, 20357789), (2329, 9405316), (4573, 4790068), (4658, 4702658), (8741, 2506004), (9146, 2395034), (9316, 2351329), (17482, 1253002), (18292, 1197517), (34964, 626501), (36853, 594388), (73706, 297194), (147412, 148597)]