21041844

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24697}}^1$

素因数の和:24775

約数の個数: 24

約数和(自身を含む): 49791168

約数和(自身を除く): 28749324

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24697, 49394, 74091, 98788, 148182, 296364, 1753487, 3506974, 5260461, 7013948, 10520922, 21041844]

約数ペア:

[(1, 21041844), (2, 10520922), (3, 7013948), (4, 5260461), (6, 3506974), (12, 1753487), (71, 296364), (142, 148182), (213, 98788), (284, 74091), (426, 49394), (852, 24697)]