21759768

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9749}}^1$

素因数の和:9792

約数の個数: 48

約数和(自身を含む): 60840000

約数和(自身を除く): 39080232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9749, 19498, 29247, 38996, 58494, 77992, 87741, 116988, 175482, 233976, 302219, 350964, 604438, 701928, 906657, 1208876, 1813314, 2417752, 2719971, 3626628, 5439942, 7253256, 10879884, 21759768]

約数ペア:

[(1, 21759768), (2, 10879884), (3, 7253256), (4, 5439942), (6, 3626628), (8, 2719971), (9, 2417752), (12, 1813314), (18, 1208876), (24, 906657), (31, 701928), (36, 604438), (62, 350964), (72, 302219), (93, 233976), (124, 175482), (186, 116988), (248, 87741), (279, 77992), (372, 58494), (558, 38996), (744, 29247), (1116, 19498), (2232, 9749)]