20212821057

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1273409}}^1$

素因数の和:1273473

約数の個数: 32

約数和(自身を含む): 32517797760

約数和(自身を除く): 12304976703

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 5291, 15873, 1273409, 3820227, 14007499, 16554317, 42022497, 47116133, 49662951, 141348399, 182097487, 518277463, 546292461, 612509729, 1554832389, 1837529187, 6737607019, 20212821057]

約数ペア:

[(1, 20212821057), (3, 6737607019), (11, 1837529187), (13, 1554832389), (33, 612509729), (37, 546292461), (39, 518277463), (111, 182097487), (143, 141348399), (407, 49662951), (429, 47116133), (481, 42022497), (1221, 16554317), (1443, 14007499), (5291, 3820227), (15873, 1273409)]