21103188

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 55738368

約数和(自身を除く): 34635180

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 47, 51, 62, 68, 71, 93, 94, 102, 124, 141, 142, 186, 188, 204, 213, 282, 284, 372, 426, 527, 564, 799, 852, 1054, 1207, 1457, 1581, 1598, 2108, 2201, 2397, 2414, 2914, 3162, 3196, 3337, 3621, 4371, 4402, 4794, 4828, 5828, 6324, 6603, 6674, 7242, 8742, 8804, 9588, 10011, 13206, 13348, 14484, 17484, 20022, 24769, 26412, 37417, 40044, 49538, 56729, 74307, 74834, 99076, 103447, 112251, 113458, 148614, 149668, 170187, 206894, 224502, 226916, 297228, 310341, 340374, 413788, 449004, 620682, 680748, 1241364, 1758599, 3517198, 5275797, 7034396, 10551594, 21103188]

約数ペア:

[(1, 21103188), (2, 10551594), (3, 7034396), (4, 5275797), (6, 3517198), (12, 1758599), (17, 1241364), (31, 680748), (34, 620682), (47, 449004), (51, 413788), (62, 340374), (68, 310341), (71, 297228), (93, 226916), (94, 224502), (102, 206894), (124, 170187), (141, 149668), (142, 148614), (186, 113458), (188, 112251), (204, 103447), (213, 99076), (282, 74834), (284, 74307), (372, 56729), (426, 49538), (527, 40044), (564, 37417), (799, 26412), (852, 24769), (1054, 20022), (1207, 17484), (1457, 14484), (1581, 13348), (1598, 13206), (2108, 10011), (2201, 9588), (2397, 8804), (2414, 8742), (2914, 7242), (3162, 6674), (3196, 6603), (3337, 6324), (3621, 5828), (4371, 4828), (4402, 4794)]