21663150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1193

約数の個数: 48

約数和(自身を含む): 54163200

約数和(自身を除く): 32500050

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 139, 150, 278, 417, 695, 834, 1039, 1390, 2078, 2085, 3117, 3475, 4170, 5195, 6234, 6950, 10390, 10425, 15585, 20850, 25975, 31170, 51950, 77925, 144421, 155850, 288842, 433263, 722105, 866526, 1444210, 2166315, 3610525, 4332630, 7221050, 10831575, 21663150]

約数ペア:

[(1, 21663150), (2, 10831575), (3, 7221050), (5, 4332630), (6, 3610525), (10, 2166315), (15, 1444210), (25, 866526), (30, 722105), (50, 433263), (75, 288842), (139, 155850), (150, 144421), (278, 77925), (417, 51950), (695, 31170), (834, 25975), (1039, 20850), (1390, 15585), (2078, 10425), (2085, 10390), (3117, 6950), (3475, 6234), (4170, 5195)]