21122568

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17257}}^1$

素因数の和:17286

約数の個数: 48

約数和(自身を含む): 60575580

約数和(自身を除く): 39453012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17257, 34514, 51771, 69028, 103542, 138056, 155313, 207084, 293369, 310626, 414168, 586738, 621252, 880107, 1173476, 1242504, 1760214, 2346952, 2640321, 3520428, 5280642, 7040856, 10561284, 21122568]

約数ペア:

[(1, 21122568), (2, 10561284), (3, 7040856), (4, 5280642), (6, 3520428), (8, 2640321), (9, 2346952), (12, 1760214), (17, 1242504), (18, 1173476), (24, 880107), (34, 621252), (36, 586738), (51, 414168), (68, 310626), (72, 293369), (102, 207084), (136, 155313), (153, 138056), (204, 103542), (306, 69028), (408, 51771), (612, 34514), (1224, 17257)]