21005628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8623}}^1$

素因数の和:8666

約数の個数: 48

約数和(自身を含む): 57953280

約数和(自身を除く): 36947652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8623, 17246, 25869, 34492, 51738, 60361, 103476, 120722, 181083, 241444, 250067, 362166, 500134, 724332, 750201, 1000268, 1500402, 1750469, 3000804, 3500938, 5251407, 7001876, 10502814, 21005628]

約数ペア:

[(1, 21005628), (2, 10502814), (3, 7001876), (4, 5251407), (6, 3500938), (7, 3000804), (12, 1750469), (14, 1500402), (21, 1000268), (28, 750201), (29, 724332), (42, 500134), (58, 362166), (84, 250067), (87, 241444), (116, 181083), (174, 120722), (203, 103476), (348, 60361), (406, 51738), (609, 34492), (812, 25869), (1218, 17246), (2436, 8623)]