21707350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 46648800

約数和(自身を除く): 24941450

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 109, 175, 218, 350, 545, 569, 763, 1090, 1138, 1526, 2725, 2845, 3815, 3983, 5450, 5690, 7630, 7966, 14225, 19075, 19915, 28450, 38150, 39830, 62021, 99575, 124042, 199150, 310105, 434147, 620210, 868294, 1550525, 2170735, 3101050, 4341470, 10853675, 21707350]

約数ペア:

[(1, 21707350), (2, 10853675), (5, 4341470), (7, 3101050), (10, 2170735), (14, 1550525), (25, 868294), (35, 620210), (50, 434147), (70, 310105), (109, 199150), (175, 124042), (218, 99575), (350, 62021), (545, 39830), (569, 38150), (763, 28450), (1090, 19915), (1138, 19075), (1526, 14225), (2725, 7966), (2845, 7630), (3815, 5690), (3983, 5450)]