21007402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17191}}^1$

素因数の和:17253

約数の個数: 16

約数和(自身を含む): 34659072

約数和(自身を除く): 13651670

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 17191, 34382, 223483, 446966, 807977, 1615954, 10503701, 21007402]

約数ペア:

[(1, 21007402), (2, 10503701), (13, 1615954), (26, 807977), (47, 446966), (94, 223483), (611, 34382), (1222, 17191)]