21760204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3299}}^1$

素因数の和:3417

約数の個数: 24

約数和(自身を含む): 40748400

約数和(自身を除く): 18988196

約数列:

[1, 2, 4, 17, 34, 68, 97, 194, 388, 1649, 3298, 3299, 6596, 6598, 13196, 56083, 112166, 224332, 320003, 640006, 1280012, 5440051, 10880102, 21760204]

約数ペア:

[(1, 21760204), (2, 10880102), (4, 5440051), (17, 1280012), (34, 640006), (68, 320003), (97, 224332), (194, 112166), (388, 56083), (1649, 13196), (3298, 6598), (3299, 6596)]