21598878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 52088832

約数和(自身を除く): 30489954

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 53, 62, 93, 106, 159, 186, 217, 313, 318, 371, 434, 626, 651, 742, 939, 1113, 1302, 1643, 1878, 2191, 2226, 3286, 4382, 4929, 6573, 9703, 9858, 11501, 13146, 16589, 19406, 23002, 29109, 33178, 34503, 49767, 58218, 67921, 69006, 99534, 116123, 135842, 203763, 232246, 348369, 407526, 514259, 696738, 1028518, 1542777, 3085554, 3599813, 7199626, 10799439, 21598878]

約数ペア:

[(1, 21598878), (2, 10799439), (3, 7199626), (6, 3599813), (7, 3085554), (14, 1542777), (21, 1028518), (31, 696738), (42, 514259), (53, 407526), (62, 348369), (93, 232246), (106, 203763), (159, 135842), (186, 116123), (217, 99534), (313, 69006), (318, 67921), (371, 58218), (434, 49767), (626, 34503), (651, 33178), (742, 29109), (939, 23002), (1113, 19406), (1302, 16589), (1643, 13146), (1878, 11501), (2191, 9858), (2226, 9703), (3286, 6573), (4382, 4929)]