2141860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15299}}^1$

素因数の和:15315

約数の個数: 24

約数和(自身を含む): 5140800

約数和(自身を除く): 2998940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15299, 30598, 61196, 76495, 107093, 152990, 214186, 305980, 428372, 535465, 1070930, 2141860]

約数ペア:

[(1, 2141860), (2, 1070930), (4, 535465), (5, 428372), (7, 305980), (10, 214186), (14, 152990), (20, 107093), (28, 76495), (35, 61196), (70, 30598), (140, 15299)]