21570692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 45431232

約数和(自身を除く): 23860540

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 877, 946, 1118, 1754, 1892, 2236, 3508, 6149, 9647, 11401, 12298, 19294, 22802, 24596, 37711, 38588, 45604, 75422, 125411, 150844, 250822, 414821, 490243, 501644, 829642, 980486, 1659284, 1960972, 5392673, 10785346, 21570692]

約数ペア:

[(1, 21570692), (2, 10785346), (4, 5392673), (11, 1960972), (13, 1659284), (22, 980486), (26, 829642), (43, 501644), (44, 490243), (52, 414821), (86, 250822), (143, 150844), (172, 125411), (286, 75422), (473, 45604), (559, 38588), (572, 37711), (877, 24596), (946, 22802), (1118, 19294), (1754, 12298), (1892, 11401), (2236, 9647), (3508, 6149)]