21417994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 37449216

約数和(自身を除く): 16031222

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 221, 442, 611, 799, 1031, 1222, 1598, 2062, 10387, 13403, 17527, 20774, 26806, 35054, 48457, 96914, 227851, 455702, 629941, 823769, 1259882, 1647538, 10708997, 21417994]

約数ペア:

[(1, 21417994), (2, 10708997), (13, 1647538), (17, 1259882), (26, 823769), (34, 629941), (47, 455702), (94, 227851), (221, 96914), (442, 48457), (611, 35054), (799, 26806), (1031, 20774), (1222, 17527), (1598, 13403), (2062, 10387)]