21739560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6247}}^1$

素因数の和:6290

約数の個数: 64

約数和(自身を含む): 67478400

約数和(自身を除く): 45738840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 6247, 12494, 18741, 24988, 31235, 37482, 49976, 62470, 74964, 93705, 124940, 149928, 181163, 187410, 249880, 362326, 374820, 543489, 724652, 749640, 905815, 1086978, 1449304, 1811630, 2173956, 2717445, 3623260, 4347912, 5434890, 7246520, 10869780, 21739560]

約数ペア:

[(1, 21739560), (2, 10869780), (3, 7246520), (4, 5434890), (5, 4347912), (6, 3623260), (8, 2717445), (10, 2173956), (12, 1811630), (15, 1449304), (20, 1086978), (24, 905815), (29, 749640), (30, 724652), (40, 543489), (58, 374820), (60, 362326), (87, 249880), (116, 187410), (120, 181163), (145, 149928), (174, 124940), (232, 93705), (290, 74964), (348, 62470), (435, 49976), (580, 37482), (696, 31235), (870, 24988), (1160, 18741), (1740, 12494), (3480, 6247)]