21481068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5441}}^1$

素因数の和:5502

約数の個数: 48

約数和(自身を含む): 58512384

約数和(自身を除く): 37031316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 5441, 10882, 16323, 21764, 32646, 38087, 65292, 76174, 114261, 152348, 228522, 255727, 457044, 511454, 767181, 1022908, 1534362, 1790089, 3068724, 3580178, 5370267, 7160356, 10740534, 21481068]

約数ペア:

[(1, 21481068), (2, 10740534), (3, 7160356), (4, 5370267), (6, 3580178), (7, 3068724), (12, 1790089), (14, 1534362), (21, 1022908), (28, 767181), (42, 511454), (47, 457044), (84, 255727), (94, 228522), (141, 152348), (188, 114261), (282, 76174), (329, 65292), (564, 38087), (658, 32646), (987, 21764), (1316, 16323), (1974, 10882), (3948, 5441)]