21686184

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7723}}^1$

素因数の和:7751

約数の個数: 64

約数和(自身を含む): 64881600

約数和(自身を除く): 43195416

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, 7723, 15446, 23169, 30892, 46338, 61784, 69507, 92676, 100399, 139014, 185352, 200798, 208521, 278028, 301197, 401596, 417042, 556056, 602394, 803192, 834084, 903591, 1204788, 1668168, 1807182, 2409576, 2710773, 3614364, 5421546, 7228728, 10843092, 21686184]

約数ペア:

[(1, 21686184), (2, 10843092), (3, 7228728), (4, 5421546), (6, 3614364), (8, 2710773), (9, 2409576), (12, 1807182), (13, 1668168), (18, 1204788), (24, 903591), (26, 834084), (27, 803192), (36, 602394), (39, 556056), (52, 417042), (54, 401596), (72, 301197), (78, 278028), (104, 208521), (108, 200798), (117, 185352), (156, 139014), (216, 100399), (234, 92676), (312, 69507), (351, 61784), (468, 46338), (702, 30892), (936, 23169), (1404, 15446), (2808, 7723)]