21419090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27817}}^1$

素因数の和:27842

約数の個数: 32

約数和(自身を含む): 48069504

約数和(自身を除く): 26650414

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27817, 55634, 139085, 194719, 278170, 305987, 389438, 611974, 973595, 1529935, 1947190, 2141909, 3059870, 4283818, 10709545, 21419090]

約数ペア:

[(1, 21419090), (2, 10709545), (5, 4283818), (7, 3059870), (10, 2141909), (11, 1947190), (14, 1529935), (22, 973595), (35, 611974), (55, 389438), (70, 305987), (77, 278170), (110, 194719), (154, 139085), (385, 55634), (770, 27817)]