21297570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2741}}^1$

素因数の和:2795

約数の個数: 64

約数和(自身を含む): 60016896

約数和(自身を除く): 38719326

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 2741, 3885, 5482, 7770, 8223, 13705, 16446, 19187, 27410, 38374, 41115, 57561, 82230, 95935, 101417, 115122, 191870, 202834, 287805, 304251, 507085, 575610, 608502, 709919, 1014170, 1419838, 1521255, 2129757, 3042510, 3549595, 4259514, 7099190, 10648785, 21297570]

約数ペア:

[(1, 21297570), (2, 10648785), (3, 7099190), (5, 4259514), (6, 3549595), (7, 3042510), (10, 2129757), (14, 1521255), (15, 1419838), (21, 1014170), (30, 709919), (35, 608502), (37, 575610), (42, 507085), (70, 304251), (74, 287805), (105, 202834), (111, 191870), (185, 115122), (210, 101417), (222, 95935), (259, 82230), (370, 57561), (518, 41115), (555, 38374), (777, 27410), (1110, 19187), (1295, 16446), (1554, 13705), (2590, 8223), (2741, 7770), (3885, 5482)]