21115691534

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1\times {\mathrm{3617}}^1$

素因数の和:4953

約数の個数: 64

約数和(自身を含む): 40387299840

約数和(自身を除く): 19271608306

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 1291, 2261, 2582, 3617, 4522, 7234, 9037, 18074, 21947, 24529, 25319, 43894, 49058, 50638, 61489, 68723, 122978, 137446, 153629, 171703, 307258, 343406, 416993, 430423, 481061, 833986, 860846, 962122, 1168291, 2336582, 2918951, 4669547, 5837902, 8178037, 9339094, 16356074, 32686829, 65373658, 79382299, 88721393, 158764598, 177442786, 555676093, 621049751, 1111352186, 1242099502, 1508263681, 3016527362, 10557845767, 21115691534]

約数ペア:

[(1, 21115691534), (2, 10557845767), (7, 3016527362), (14, 1508263681), (17, 1242099502), (19, 1111352186), (34, 621049751), (38, 555676093), (119, 177442786), (133, 158764598), (238, 88721393), (266, 79382299), (323, 65373658), (646, 32686829), (1291, 16356074), (2261, 9339094), (2582, 8178037), (3617, 5837902), (4522, 4669547), (7234, 2918951), (9037, 2336582), (18074, 1168291), (21947, 962122), (24529, 860846), (25319, 833986), (43894, 481061), (49058, 430423), (50638, 416993), (61489, 343406), (68723, 307258), (122978, 171703), (137446, 153629)]