21497042

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 38893824

約数和(自身を除く): 17396782

約数列:

[1, 2, 7, 14, 23, 46, 101, 161, 202, 322, 661, 707, 1322, 1414, 2323, 4627, 4646, 9254, 15203, 16261, 30406, 32522, 66761, 106421, 133522, 212842, 467327, 934654, 1535503, 3071006, 10748521, 21497042]

約数ペア:

[(1, 21497042), (2, 10748521), (7, 3071006), (14, 1535503), (23, 934654), (46, 467327), (101, 212842), (161, 133522), (202, 106421), (322, 66761), (661, 32522), (707, 30406), (1322, 16261), (1414, 15203), (2323, 9254), (4627, 4646)]