21494036

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1787}}^1$

素因数の和:1919

約数の個数: 24

約数和(自身を含む): 39250176

約数和(自身を除く): 17756140

約数列:

[1, 2, 4, 31, 62, 97, 124, 194, 388, 1787, 3007, 3574, 6014, 7148, 12028, 55397, 110794, 173339, 221588, 346678, 693356, 5373509, 10747018, 21494036]

約数ペア:

[(1, 21494036), (2, 10747018), (4, 5373509), (31, 693356), (62, 346678), (97, 221588), (124, 173339), (194, 110794), (388, 55397), (1787, 12028), (3007, 7148), (3574, 6014)]