21298800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17749}}^1$

素因数の和:17770

約数の個数: 60

約数和(自身を含む): 68231000

約数和(自身を除く): 46932200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 17749, 35498, 53247, 70996, 88745, 106494, 141992, 177490, 212988, 266235, 283984, 354980, 425976, 443725, 532470, 709960, 851952, 887450, 1064940, 1331175, 1419920, 1774900, 2129880, 2662350, 3549800, 4259760, 5324700, 7099600, 10649400, 21298800]

約数ペア:

[(1, 21298800), (2, 10649400), (3, 7099600), (4, 5324700), (5, 4259760), (6, 3549800), (8, 2662350), (10, 2129880), (12, 1774900), (15, 1419920), (16, 1331175), (20, 1064940), (24, 887450), (25, 851952), (30, 709960), (40, 532470), (48, 443725), (50, 425976), (60, 354980), (75, 283984), (80, 266235), (100, 212988), (120, 177490), (150, 141992), (200, 106494), (240, 88745), (300, 70996), (400, 53247), (600, 35498), (1200, 17749)]