21728630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28219}}^1$

素因数の和:28244

約数の個数: 32

約数和(自身を含む): 48764160

約数和(自身を除く): 27035530

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 28219, 56438, 141095, 197533, 282190, 310409, 395066, 620818, 987665, 1552045, 1975330, 2172863, 3104090, 4345726, 10864315, 21728630]

約数ペア:

[(1, 21728630), (2, 10864315), (5, 4345726), (7, 3104090), (10, 2172863), (11, 1975330), (14, 1552045), (22, 987665), (35, 620818), (55, 395066), (70, 310409), (77, 282190), (110, 197533), (154, 141095), (385, 56438), (770, 28219)]