21671650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:476

約数の個数: 96

約数和(自身を含む): 54246528

約数和(自身を除く): 32574878

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 25, 26, 35, 50, 55, 65, 70, 77, 91, 110, 130, 143, 154, 175, 182, 275, 286, 325, 350, 385, 433, 455, 550, 650, 715, 770, 866, 910, 1001, 1430, 1925, 2002, 2165, 2275, 3031, 3575, 3850, 4330, 4550, 4763, 5005, 5629, 6062, 7150, 9526, 10010, 10825, 11258, 15155, 21650, 23815, 25025, 28145, 30310, 33341, 39403, 47630, 50050, 56290, 61919, 66682, 75775, 78806, 119075, 123838, 140725, 151550, 166705, 197015, 238150, 281450, 309595, 333410, 394030, 433433, 619190, 833525, 866866, 985075, 1547975, 1667050, 1970150, 2167165, 3095950, 4334330, 10835825, 21671650]

約数ペア:

[(1, 21671650), (2, 10835825), (5, 4334330), (7, 3095950), (10, 2167165), (11, 1970150), (13, 1667050), (14, 1547975), (22, 985075), (25, 866866), (26, 833525), (35, 619190), (50, 433433), (55, 394030), (65, 333410), (70, 309595), (77, 281450), (91, 238150), (110, 197015), (130, 166705), (143, 151550), (154, 140725), (175, 123838), (182, 119075), (275, 78806), (286, 75775), (325, 66682), (350, 61919), (385, 56290), (433, 50050), (455, 47630), (550, 39403), (650, 33341), (715, 30310), (770, 28145), (866, 25025), (910, 23815), (1001, 21650), (1430, 15155), (1925, 11258), (2002, 10825), (2165, 10010), (2275, 9526), (3031, 7150), (3575, 6062), (3850, 5629), (4330, 5005), (4550, 4763)]