21061044

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 57482880

約数和(自身を除く): 36421836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 76, 82, 114, 123, 164, 171, 228, 246, 342, 369, 492, 684, 738, 751, 779, 1476, 1502, 1558, 2253, 2337, 3004, 3116, 4506, 4674, 6759, 7011, 9012, 9348, 13518, 14022, 14269, 27036, 28044, 28538, 30791, 42807, 57076, 61582, 85614, 92373, 123164, 128421, 171228, 184746, 256842, 277119, 369492, 513684, 554238, 585029, 1108476, 1170058, 1755087, 2340116, 3510174, 5265261, 7020348, 10530522, 21061044]

約数ペア:

[(1, 21061044), (2, 10530522), (3, 7020348), (4, 5265261), (6, 3510174), (9, 2340116), (12, 1755087), (18, 1170058), (19, 1108476), (36, 585029), (38, 554238), (41, 513684), (57, 369492), (76, 277119), (82, 256842), (114, 184746), (123, 171228), (164, 128421), (171, 123164), (228, 92373), (246, 85614), (342, 61582), (369, 57076), (492, 42807), (684, 30791), (738, 28538), (751, 28044), (779, 27036), (1476, 14269), (1502, 14022), (1558, 13518), (2253, 9348), (2337, 9012), (3004, 7011), (3116, 6759), (4506, 4674)]