21495922

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 17816078

約数列:

[1, 2, 7, 14, 17, 34, 119, 181, 238, 362, 499, 998, 1267, 2534, 3077, 3493, 6154, 6986, 8483, 16966, 21539, 43078, 59381, 90319, 118762, 180638, 632233, 1264466, 1535423, 3070846, 10747961, 21495922]

約数ペア:

[(1, 21495922), (2, 10747961), (7, 3070846), (14, 1535423), (17, 1264466), (34, 632233), (119, 180638), (181, 118762), (238, 90319), (362, 59381), (499, 43078), (998, 21539), (1267, 16966), (2534, 8483), (3077, 6986), (3493, 6154)]