20210257977

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1014113}}^1$

素因数の和:1014209

約数の個数: 32

約数和(自身を含む): 33619907328

約数和(自身を除く): 13409649351

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1533, 2847, 6643, 19929, 1014113, 3042339, 7098791, 13183469, 21296373, 39550407, 74030249, 92284283, 222090747, 276852849, 518211743, 962393237, 1554635229, 2887179711, 6736752659, 20210257977]

約数ペア:

[(1, 20210257977), (3, 6736752659), (7, 2887179711), (13, 1554635229), (21, 962393237), (39, 518211743), (73, 276852849), (91, 222090747), (219, 92284283), (273, 74030249), (511, 39550407), (949, 21296373), (1533, 13183469), (2847, 7098791), (6643, 3042339), (19929, 1014113)]