21903514

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 14254886

約数列:

[1, 2, 17, 34, 59, 61, 118, 122, 179, 358, 1003, 1037, 2006, 2074, 3043, 3599, 6086, 7198, 10561, 10919, 21122, 21838, 61183, 122366, 179537, 185623, 359074, 371246, 644221, 1288442, 10951757, 21903514]

約数ペア:

[(1, 21903514), (2, 10951757), (17, 1288442), (34, 644221), (59, 371246), (61, 359074), (118, 185623), (122, 179537), (179, 122366), (358, 61183), (1003, 21838), (1037, 21122), (2006, 10919), (2074, 10561), (3043, 7198), (3599, 6086)]