21511896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128047}}^1$

素因数の和:128063

約数の個数: 32

約数和(自身を含む): 61463040

約数和(自身を除く): 39951144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128047, 256094, 384141, 512188, 768282, 896329, 1024376, 1536564, 1792658, 2688987, 3073128, 3585316, 5377974, 7170632, 10755948, 21511896]

約数ペア:

[(1, 21511896), (2, 10755948), (3, 7170632), (4, 5377974), (6, 3585316), (7, 3073128), (8, 2688987), (12, 1792658), (14, 1536564), (21, 1024376), (24, 896329), (28, 768282), (42, 512188), (56, 384141), (84, 256094), (168, 128047)]