21443256

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17519}}^1$

素因数の和:17548

約数の個数: 48

約数和(自身を含む): 61495200

約数和(自身を除く): 40051944

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, 17519, 35038, 52557, 70076, 105114, 140152, 157671, 210228, 297823, 315342, 420456, 595646, 630684, 893469, 1191292, 1261368, 1786938, 2382584, 2680407, 3573876, 5360814, 7147752, 10721628, 21443256]

約数ペア:

[(1, 21443256), (2, 10721628), (3, 7147752), (4, 5360814), (6, 3573876), (8, 2680407), (9, 2382584), (12, 1786938), (17, 1261368), (18, 1191292), (24, 893469), (34, 630684), (36, 595646), (51, 420456), (68, 315342), (72, 297823), (102, 210228), (136, 157671), (153, 140152), (204, 105114), (306, 70076), (408, 52557), (612, 35038), (1224, 17519)]