21124563

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 28670880

約数和(自身を除く): 7546317

約数列:

[1, 3, 97, 229, 291, 317, 687, 951, 22213, 30749, 66639, 72593, 92247, 217779, 7041521, 21124563]

約数ペア:

[(1, 21124563), (3, 7041521), (97, 217779), (229, 92247), (291, 72593), (317, 66639), (687, 30749), (951, 22213)]