21127610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2671}}^1$

素因数の和:2798

約数の個数: 32

約数和(自身を含む): 43863552

約数和(自身を除く): 22735942

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 2671, 3955, 5342, 7910, 13355, 18697, 26710, 37394, 93485, 186970, 301823, 603646, 1509115, 2112761, 3018230, 4225522, 10563805, 21127610]

約数ペア:

[(1, 21127610), (2, 10563805), (5, 4225522), (7, 3018230), (10, 2112761), (14, 1509115), (35, 603646), (70, 301823), (113, 186970), (226, 93485), (565, 37394), (791, 26710), (1130, 18697), (1582, 13355), (2671, 7910), (3955, 5342)]