21394386

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^3\times {\mathrm{541}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 50308440

約数和(自身を除く): 28914054

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 541, 1014, 1082, 1521, 1623, 2197, 3042, 3246, 4394, 4869, 6591, 7033, 9738, 13182, 14066, 19773, 21099, 39546, 42198, 63297, 91429, 126594, 182858, 274287, 548574, 822861, 1188577, 1645722, 2377154, 3565731, 7131462, 10697193, 21394386]

約数ペア:

[(1, 21394386), (2, 10697193), (3, 7131462), (6, 3565731), (9, 2377154), (13, 1645722), (18, 1188577), (26, 822861), (39, 548574), (78, 274287), (117, 182858), (169, 126594), (234, 91429), (338, 63297), (507, 42198), (541, 39546), (1014, 21099), (1082, 19773), (1521, 14066), (1623, 13182), (2197, 9738), (3042, 7033), (3246, 6591), (4394, 4869)]