21379582

素因数分解:

$2^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{811}}^1$

素因数の和:1096

約数の個数: 24

約数和(自身を含む): 37490040

約数和(自身を除く): 16110458

約数列:

[1, 2, 7, 14, 49, 98, 269, 538, 811, 1622, 1883, 3766, 5677, 11354, 13181, 26362, 39739, 79478, 218159, 436318, 1527113, 3054226, 10689791, 21379582]

約数ペア:

[(1, 21379582), (2, 10689791), (7, 3054226), (14, 1527113), (49, 436318), (98, 218159), (269, 79478), (538, 39739), (811, 26362), (1622, 13181), (1883, 11354), (3766, 5677)]