21865984

素因数分解:

$2^9\times 7^1\times {\mathrm{6101}}^1$

素因数の和:6126

約数の個数: 40

約数和(自身を含む): 49938768

約数和(自身を除く): 28072784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 6101, 12202, 24404, 42707, 48808, 85414, 97616, 170828, 195232, 341656, 390464, 683312, 780928, 1366624, 1561856, 2733248, 3123712, 5466496, 10932992, 21865984]

約数ペア:

[(1, 21865984), (2, 10932992), (4, 5466496), (7, 3123712), (8, 2733248), (14, 1561856), (16, 1366624), (28, 780928), (32, 683312), (56, 390464), (64, 341656), (112, 195232), (128, 170828), (224, 97616), (256, 85414), (448, 48808), (512, 42707), (896, 24404), (1792, 12202), (3584, 6101)]