21383936

素因数分解:

$2^8\times 7^1\times {\mathrm{11933}}^1$

素因数の和:11956

約数の個数: 36

約数和(自身を含む): 48786192

約数和(自身を除く): 27402256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11933, 23866, 47732, 83531, 95464, 167062, 190928, 334124, 381856, 668248, 763712, 1336496, 1527424, 2672992, 3054848, 5345984, 10691968, 21383936]

約数ペア:

[(1, 21383936), (2, 10691968), (4, 5345984), (7, 3054848), (8, 2672992), (14, 1527424), (16, 1336496), (28, 763712), (32, 668248), (56, 381856), (64, 334124), (112, 190928), (128, 167062), (224, 95464), (256, 83531), (448, 47732), (896, 23866), (1792, 11933)]