21637812

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{751}}^1$

素因数の和:786

約数の個数: 60

約数和(自身を含む): 58977856

約数和(自身を除く): 37340044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 751, 1029, 1372, 1502, 2058, 2253, 2401, 3004, 4116, 4506, 4802, 5257, 7203, 9012, 9604, 10514, 14406, 15771, 21028, 28812, 31542, 36799, 63084, 73598, 110397, 147196, 220794, 257593, 441588, 515186, 772779, 1030372, 1545558, 1803151, 3091116, 3606302, 5409453, 7212604, 10818906, 21637812]

約数ペア:

[(1, 21637812), (2, 10818906), (3, 7212604), (4, 5409453), (6, 3606302), (7, 3091116), (12, 1803151), (14, 1545558), (21, 1030372), (28, 772779), (42, 515186), (49, 441588), (84, 257593), (98, 220794), (147, 147196), (196, 110397), (294, 73598), (343, 63084), (588, 36799), (686, 31542), (751, 28812), (1029, 21028), (1372, 15771), (1502, 14406), (2058, 10514), (2253, 9604), (2401, 9012), (3004, 7203), (4116, 5257), (4506, 4802)]