21752444

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{8009}}^1$

素因数の和:8117

約数の個数: 24

約数和(自身を含む): 43958880

約数和(自身を除く): 22206436

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 8009, 16018, 32036, 56063, 112126, 224252, 776873, 1553746, 3107492, 5438111, 10876222, 21752444]

約数ペア:

[(1, 21752444), (2, 10876222), (4, 5438111), (7, 3107492), (14, 1553746), (28, 776873), (97, 224252), (194, 112126), (388, 56063), (679, 32036), (1358, 16018), (2716, 8009)]