21691592

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12269}}^1$

素因数の和:12305

約数の個数: 32

約数和(自身を含む): 46380600

約数和(自身を除く): 24689008

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 12269, 24538, 49076, 98152, 159497, 208573, 318994, 417146, 637988, 834292, 1275976, 1668584, 2711449, 5422898, 10845796, 21691592]

約数ペア:

[(1, 21691592), (2, 10845796), (4, 5422898), (8, 2711449), (13, 1668584), (17, 1275976), (26, 834292), (34, 637988), (52, 417146), (68, 318994), (104, 208573), (136, 159497), (221, 98152), (442, 49076), (884, 24538), (1768, 12269)]