21276472

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16519}}^1$

素因数の和:16555

約数の個数: 32

約数和(自身を含む): 47577600

約数和(自身を除く): 26301128

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16519, 33038, 66076, 115633, 132152, 231266, 379937, 462532, 759874, 925064, 1519748, 2659559, 3039496, 5319118, 10638236, 21276472]

約数ペア:

[(1, 21276472), (2, 10638236), (4, 5319118), (7, 3039496), (8, 2659559), (14, 1519748), (23, 925064), (28, 759874), (46, 462532), (56, 379937), (92, 231266), (161, 132152), (184, 115633), (322, 66076), (644, 33038), (1288, 16519)]