21949424

素因数分解:

$2^4\times 7^1\times {\mathrm{195977}}^1$

素因数の和:195992

約数の個数: 20

約数和(自身を含む): 48602544

約数和(自身を除く): 26653120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195977, 391954, 783908, 1371839, 1567816, 2743678, 3135632, 5487356, 10974712, 21949424]

約数ペア:

[(1, 21949424), (2, 10974712), (4, 5487356), (7, 3135632), (8, 2743678), (14, 1567816), (16, 1371839), (28, 783908), (56, 391954), (112, 195977)]