21482163952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70665013}}^1$

素因数の和:70665040

約数の個数: 20

約数和(自身を含む): 43812308680

約数和(自身を除く): 22330144728

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70665013, 141330026, 282660052, 565320104, 1130640208, 1342635247, 2685270494, 5370540988, 10741081976, 21482163952]

約数ペア:

[(1, 21482163952), (2, 10741081976), (4, 5370540988), (8, 2685270494), (16, 1342635247), (19, 1130640208), (38, 565320104), (76, 282660052), (152, 141330026), (304, 70665013)]