21208049278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{77383}}^1$

素因数の和:77608

約数の個数: 32

約数和(自身を含む): 34945376256

約数和(自身を除く): 13737326978

約数列:

[1, 2, 13, 26, 83, 127, 166, 254, 1079, 1651, 2158, 3302, 10541, 21082, 77383, 137033, 154766, 274066, 1005979, 2011958, 6422789, 9827641, 12845578, 19655282, 83496257, 127759333, 166992514, 255518666, 815694203, 1631388406, 10604024639, 21208049278]

約数ペア:

[(1, 21208049278), (2, 10604024639), (13, 1631388406), (26, 815694203), (83, 255518666), (127, 166992514), (166, 127759333), (254, 83496257), (1079, 19655282), (1651, 12845578), (2158, 9827641), (3302, 6422789), (10541, 2011958), (21082, 1005979), (77383, 274066), (137033, 154766)]