21085812

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17749}}^1$

素因数の和:17773

約数の個数: 48

約数和(自身を含む): 59640000

約数和(自身を除く): 38554188

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188, 17749, 35498, 53247, 70996, 106494, 159741, 195239, 212988, 319482, 390478, 479223, 585717, 638964, 780956, 958446, 1171434, 1757151, 1916892, 2342868, 3514302, 5271453, 7028604, 10542906, 21085812]

約数ペア:

[(1, 21085812), (2, 10542906), (3, 7028604), (4, 5271453), (6, 3514302), (9, 2342868), (11, 1916892), (12, 1757151), (18, 1171434), (22, 958446), (27, 780956), (33, 638964), (36, 585717), (44, 479223), (54, 390478), (66, 319482), (99, 212988), (108, 195239), (132, 159741), (198, 106494), (297, 70996), (396, 53247), (594, 35498), (1188, 17749)]