2100022785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{350881}}^1$

素因数の和:350918

約数の個数: 48

約数和(自身を含む): 4379007360

約数和(自身を除く): 2278984575

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 5985, 350881, 1052643, 1754405, 2456167, 3157929, 5263215, 6666739, 7368501, 12280835, 15789645, 20000217, 22105503, 33333695, 36842505, 46667173, 60000651, 100001085, 110527515, 140001519, 233335865, 300003255, 420004557, 700007595, 2100022785]

約数ペア:

[(1, 2100022785), (3, 700007595), (5, 420004557), (7, 300003255), (9, 233335865), (15, 140001519), (19, 110527515), (21, 100001085), (35, 60000651), (45, 46667173), (57, 36842505), (63, 33333695), (95, 22105503), (105, 20000217), (133, 15789645), (171, 12280835), (285, 7368501), (315, 6666739), (399, 5263215), (665, 3157929), (855, 2456167), (1197, 1754405), (1995, 1052643), (5985, 350881)]