21499080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1847}}^1$

素因数の和:1958

約数の個数: 64

約数和(自身を含む): 65197440

約数和(自身を除く): 43698360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1847, 1940, 2328, 2910, 3694, 3880, 5541, 5820, 7388, 9235, 11082, 11640, 14776, 18470, 22164, 27705, 36940, 44328, 55410, 73880, 110820, 179159, 221640, 358318, 537477, 716636, 895795, 1074954, 1433272, 1791590, 2149908, 2687385, 3583180, 4299816, 5374770, 7166360, 10749540, 21499080]

約数ペア:

[(1, 21499080), (2, 10749540), (3, 7166360), (4, 5374770), (5, 4299816), (6, 3583180), (8, 2687385), (10, 2149908), (12, 1791590), (15, 1433272), (20, 1074954), (24, 895795), (30, 716636), (40, 537477), (60, 358318), (97, 221640), (120, 179159), (194, 110820), (291, 73880), (388, 55410), (485, 44328), (582, 36940), (776, 27705), (970, 22164), (1164, 18470), (1455, 14776), (1847, 11640), (1940, 11082), (2328, 9235), (2910, 7388), (3694, 5820), (3880, 5541)]