21968400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{18307}}^1$

素因数の和:18328

約数の個数: 60

約数和(自身を含む): 70375952

約数和(自身を除く): 48407552

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, 18307, 36614, 54921, 73228, 91535, 109842, 146456, 183070, 219684, 274605, 292912, 366140, 439368, 457675, 549210, 732280, 878736, 915350, 1098420, 1373025, 1464560, 1830700, 2196840, 2746050, 3661400, 4393680, 5492100, 7322800, 10984200, 21968400]

約数ペア:

[(1, 21968400), (2, 10984200), (3, 7322800), (4, 5492100), (5, 4393680), (6, 3661400), (8, 2746050), (10, 2196840), (12, 1830700), (15, 1464560), (16, 1373025), (20, 1098420), (24, 915350), (25, 878736), (30, 732280), (40, 549210), (48, 457675), (50, 439368), (60, 366140), (75, 292912), (80, 274605), (100, 219684), (120, 183070), (150, 146456), (200, 109842), (240, 91535), (300, 73228), (400, 54921), (600, 36614), (1200, 18307)]