21157864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29063}}^1$

素因数の和:29089

約数の個数: 32

約数和(自身を含む): 48827520

約数和(自身を除く): 27669656

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29063, 58126, 116252, 203441, 232504, 377819, 406882, 755638, 813764, 1511276, 1627528, 2644733, 3022552, 5289466, 10578932, 21157864]

約数ペア:

[(1, 21157864), (2, 10578932), (4, 5289466), (7, 3022552), (8, 2644733), (13, 1627528), (14, 1511276), (26, 813764), (28, 755638), (52, 406882), (56, 377819), (91, 232504), (104, 203441), (182, 116252), (364, 58126), (728, 29063)]