21871948

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{8053}}^1$

素因数の和:8161

約数の個数: 24

約数和(自身を含む): 44200352

約数和(自身を除く): 22328404

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 8053, 16106, 32212, 56371, 112742, 225484, 781141, 1562282, 3124564, 5467987, 10935974, 21871948]

約数ペア:

[(1, 21871948), (2, 10935974), (4, 5467987), (7, 3124564), (14, 1562282), (28, 781141), (97, 225484), (194, 112742), (388, 56371), (679, 32212), (1358, 16106), (2716, 8053)]