21688668

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{11813}}^1$

素因数の和:11843

約数の個数: 48

約数和(自身を含む): 59542560

約数和(自身を除く): 37853892

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 11813, 23626, 35439, 47252, 70878, 106317, 141756, 200821, 212634, 318951, 401642, 425268, 602463, 637902, 803284, 1204926, 1275804, 1807389, 2409852, 3614778, 5422167, 7229556, 10844334, 21688668]

約数ペア:

[(1, 21688668), (2, 10844334), (3, 7229556), (4, 5422167), (6, 3614778), (9, 2409852), (12, 1807389), (17, 1275804), (18, 1204926), (27, 803284), (34, 637902), (36, 602463), (51, 425268), (54, 401642), (68, 318951), (102, 212634), (108, 200821), (153, 141756), (204, 106317), (306, 70878), (459, 47252), (612, 35439), (918, 23626), (1836, 11813)]