21125888

素因数分解:

$2^8\times 7^1\times {\mathrm{11789}}^1$

素因数の和:11812

約数の個数: 36

約数和(自身を含む): 48197520

約数和(自身を除く): 27071632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11789, 23578, 47156, 82523, 94312, 165046, 188624, 330092, 377248, 660184, 754496, 1320368, 1508992, 2640736, 3017984, 5281472, 10562944, 21125888]

約数ペア:

[(1, 21125888), (2, 10562944), (4, 5281472), (7, 3017984), (8, 2640736), (14, 1508992), (16, 1320368), (28, 754496), (32, 660184), (56, 377248), (64, 330092), (112, 188624), (128, 165046), (224, 94312), (256, 82523), (448, 47156), (896, 23578), (1792, 11789)]