21314864

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21839}}^1$

素因数の和:21908

約数の個数: 20

約数和(自身を含む): 41976480

約数和(自身を除く): 20661616

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21839, 43678, 87356, 174712, 349424, 1332179, 2664358, 5328716, 10657432, 21314864]

約数ペア:

[(1, 21314864), (2, 10657432), (4, 5328716), (8, 2664358), (16, 1332179), (61, 349424), (122, 174712), (244, 87356), (488, 43678), (976, 21839)]