21673806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 55351296

約数和(自身を除く): 33677490

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 43, 66, 77, 86, 129, 154, 231, 258, 301, 462, 473, 602, 903, 946, 1091, 1419, 1806, 2182, 2838, 3273, 3311, 6546, 6622, 7637, 9933, 12001, 15274, 19866, 22911, 24002, 36003, 45822, 46913, 72006, 84007, 93826, 140739, 168014, 252021, 281478, 328391, 504042, 516043, 656782, 985173, 1032086, 1548129, 1970346, 3096258, 3612301, 7224602, 10836903, 21673806]

約数ペア:

[(1, 21673806), (2, 10836903), (3, 7224602), (6, 3612301), (7, 3096258), (11, 1970346), (14, 1548129), (21, 1032086), (22, 985173), (33, 656782), (42, 516043), (43, 504042), (66, 328391), (77, 281478), (86, 252021), (129, 168014), (154, 140739), (231, 93826), (258, 84007), (301, 72006), (462, 46913), (473, 45822), (602, 36003), (903, 24002), (946, 22911), (1091, 19866), (1419, 15274), (1806, 12001), (2182, 9933), (2838, 7637), (3273, 6622), (3311, 6546)]