21045474

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 28202526

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 89, 151, 174, 178, 261, 267, 302, 453, 522, 534, 783, 801, 906, 1359, 1566, 1602, 2403, 2581, 2718, 4077, 4379, 4806, 5162, 7743, 8154, 8758, 13137, 13439, 15486, 23229, 26274, 26878, 39411, 40317, 46458, 69687, 78822, 80634, 118233, 120951, 139374, 236466, 241902, 362853, 389731, 725706, 779462, 1169193, 2338386, 3507579, 7015158, 10522737, 21045474]

約数ペア:

[(1, 21045474), (2, 10522737), (3, 7015158), (6, 3507579), (9, 2338386), (18, 1169193), (27, 779462), (29, 725706), (54, 389731), (58, 362853), (87, 241902), (89, 236466), (151, 139374), (174, 120951), (178, 118233), (261, 80634), (267, 78822), (302, 69687), (453, 46458), (522, 40317), (534, 39411), (783, 26878), (801, 26274), (906, 23229), (1359, 15486), (1566, 13439), (1602, 13137), (2403, 8758), (2581, 8154), (2718, 7743), (4077, 5162), (4379, 4806)]