21940408

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10589}}^1$

素因数の和:10639

約数の個数: 32

約数和(自身を含む): 48290400

約数和(自身を除く): 26349992

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10589, 21178, 42356, 74123, 84712, 148246, 296492, 391793, 592984, 783586, 1567172, 2742551, 3134344, 5485102, 10970204, 21940408]

約数ペア:

[(1, 21940408), (2, 10970204), (4, 5485102), (7, 3134344), (8, 2742551), (14, 1567172), (28, 783586), (37, 592984), (56, 391793), (74, 296492), (148, 148246), (259, 84712), (296, 74123), (518, 42356), (1036, 21178), (2072, 10589)]