21528696

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128147}}^1$

素因数の和:128163

約数の個数: 32

約数和(自身を含む): 61511040

約数和(自身を除く): 39982344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128147, 256294, 384441, 512588, 768882, 897029, 1025176, 1537764, 1794058, 2691087, 3075528, 3588116, 5382174, 7176232, 10764348, 21528696]

約数ペア:

[(1, 21528696), (2, 10764348), (3, 7176232), (4, 5382174), (6, 3588116), (7, 3075528), (8, 2691087), (12, 1794058), (14, 1537764), (21, 1025176), (24, 897029), (28, 768882), (42, 512588), (56, 384441), (84, 256294), (168, 128147)]