21492224

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3229}}^1$

素因数の和:3260

約数の個数: 40

約数和(自身を含む): 46260060

約数和(自身を除く): 24767836

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3229, 3328, 6458, 6656, 12916, 25832, 41977, 51664, 83954, 103328, 167908, 206656, 335816, 413312, 671632, 826624, 1343264, 1653248, 2686528, 5373056, 10746112, 21492224]

約数ペア:

[(1, 21492224), (2, 10746112), (4, 5373056), (8, 2686528), (13, 1653248), (16, 1343264), (26, 826624), (32, 671632), (52, 413312), (64, 335816), (104, 206656), (128, 167908), (208, 103328), (256, 83954), (416, 51664), (512, 41977), (832, 25832), (1664, 12916), (3229, 6656), (3328, 6458)]