21005068

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8429}}^1$

素因数の和:8529

約数の個数: 24

約数和(自身を含む): 42487200

約数和(自身を除く): 21482132

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8429, 16858, 33716, 59003, 118006, 236012, 750181, 1500362, 3000724, 5251267, 10502534, 21005068]

約数ペア:

[(1, 21005068), (2, 10502534), (4, 5251267), (7, 3000724), (14, 1500362), (28, 750181), (89, 236012), (178, 118006), (356, 59003), (623, 33716), (1246, 16858), (2492, 8429)]