21860972

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{4513}}^1$

素因数の和:4697

約数の個数: 24

約数和(自身を含む): 43984416

約数和(自身を除く): 22123444

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4513, 4844, 9026, 18052, 31591, 63182, 126364, 780749, 1561498, 3122996, 5465243, 10930486, 21860972]

約数ペア:

[(1, 21860972), (2, 10930486), (4, 5465243), (7, 3122996), (14, 1561498), (28, 780749), (173, 126364), (346, 63182), (692, 31591), (1211, 18052), (2422, 9026), (4513, 4844)]