21079656

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7507}}^1$

素因数の和:7535

約数の個数: 64

約数和(自身を含む): 63067200

約数和(自身を除く): 41987544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7507, 15014, 22521, 30028, 45042, 60056, 67563, 90084, 97591, 135126, 180168, 195182, 202689, 270252, 292773, 390364, 405378, 540504, 585546, 780728, 810756, 878319, 1171092, 1621512, 1756638, 2342184, 2634957, 3513276, 5269914, 7026552, 10539828, 21079656]

約数ペア:

[(1, 21079656), (2, 10539828), (3, 7026552), (4, 5269914), (6, 3513276), (8, 2634957), (9, 2342184), (12, 1756638), (13, 1621512), (18, 1171092), (24, 878319), (26, 810756), (27, 780728), (36, 585546), (39, 540504), (52, 405378), (54, 390364), (72, 292773), (78, 270252), (104, 202689), (108, 195182), (117, 180168), (156, 135126), (216, 97591), (234, 90084), (312, 67563), (351, 60056), (468, 45042), (702, 30028), (936, 22521), (1404, 15014), (2808, 7507)]