21036972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 35862612

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 53, 62, 66, 93, 97, 106, 124, 132, 159, 186, 194, 212, 291, 318, 341, 372, 388, 582, 583, 636, 682, 1023, 1067, 1164, 1166, 1364, 1643, 1749, 2046, 2134, 2332, 3007, 3201, 3286, 3498, 4092, 4268, 4929, 5141, 6014, 6402, 6572, 6996, 9021, 9858, 10282, 12028, 12804, 15423, 18042, 18073, 19716, 20564, 30846, 33077, 36084, 36146, 54219, 56551, 61692, 66154, 72292, 99231, 108438, 113102, 132308, 159371, 169653, 198462, 216876, 226204, 318742, 339306, 396924, 478113, 637484, 678612, 956226, 1753081, 1912452, 3506162, 5259243, 7012324, 10518486, 21036972]

約数ペア:

[(1, 21036972), (2, 10518486), (3, 7012324), (4, 5259243), (6, 3506162), (11, 1912452), (12, 1753081), (22, 956226), (31, 678612), (33, 637484), (44, 478113), (53, 396924), (62, 339306), (66, 318742), (93, 226204), (97, 216876), (106, 198462), (124, 169653), (132, 159371), (159, 132308), (186, 113102), (194, 108438), (212, 99231), (291, 72292), (318, 66154), (341, 61692), (372, 56551), (388, 54219), (582, 36146), (583, 36084), (636, 33077), (682, 30846), (1023, 20564), (1067, 19716), (1164, 18073), (1166, 18042), (1364, 15423), (1643, 12804), (1749, 12028), (2046, 10282), (2134, 9858), (2332, 9021), (3007, 6996), (3201, 6572), (3286, 6402), (3498, 6014), (4092, 5141), (4268, 4929)]