21703310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1117}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 41052960

約数和(自身を除く): 19349650

約数列:

[1, 2, 5, 10, 29, 58, 67, 134, 145, 290, 335, 670, 1117, 1943, 2234, 3886, 5585, 9715, 11170, 19430, 32393, 64786, 74839, 149678, 161965, 323930, 374195, 748390, 2170331, 4340662, 10851655, 21703310]

約数ペア:

[(1, 21703310), (2, 10851655), (5, 4340662), (10, 2170331), (29, 748390), (58, 374195), (67, 323930), (134, 161965), (145, 149678), (290, 74839), (335, 64786), (670, 32393), (1117, 19430), (1943, 11170), (2234, 9715), (3886, 5585)]