2021644131

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 3168377856

約数和(自身を除く): 1146733725

約数列:

[1, 3, 13, 17, 39, 51, 67, 71, 201, 213, 221, 641, 663, 871, 923, 1139, 1207, 1923, 2613, 2769, 3417, 3621, 4757, 8333, 10897, 14271, 14807, 15691, 24999, 32691, 42947, 44421, 45511, 47073, 61841, 80869, 128841, 136533, 141661, 185523, 242607, 424983, 558311, 591643, 730099, 773687, 1051297, 1674933, 1774929, 2190297, 2321061, 3049237, 3153891, 9147711, 9491287, 10057931, 28473861, 30173793, 39640081, 51837029, 118920243, 155511087, 673881377, 2021644131]

約数ペア:

[(1, 2021644131), (3, 673881377), (13, 155511087), (17, 118920243), (39, 51837029), (51, 39640081), (67, 30173793), (71, 28473861), (201, 10057931), (213, 9491287), (221, 9147711), (641, 3153891), (663, 3049237), (871, 2321061), (923, 2190297), (1139, 1774929), (1207, 1674933), (1923, 1051297), (2613, 773687), (2769, 730099), (3417, 591643), (3621, 558311), (4757, 424983), (8333, 242607), (10897, 185523), (14271, 141661), (14807, 136533), (15691, 128841), (24999, 80869), (32691, 61841), (42947, 47073), (44421, 45511)]