2021071758425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{20789}}^1$

素因数の和:21051

約数の個数: 96

約数和(自身を含む): 2815379804160

約数和(自身を除く): 794308045735

約数列:

[1, 5, 17, 25, 31, 47, 85, 155, 157, 235, 425, 527, 775, 785, 799, 1175, 1457, 2635, 2669, 3925, 3995, 4867, 7285, 7379, 13175, 13345, 19975, 20789, 24335, 24769, 36425, 36895, 66725, 82739, 103945, 121675, 123845, 125443, 184475, 228749, 353413, 413695, 519725, 619225, 627215, 644459, 977083, 1143745, 1767065, 2068475, 3136075, 3222295, 3263873, 3888733, 4885415, 5718725, 8835325, 10955803, 16111475, 16319365, 16610411, 19443665, 24427075, 30289573, 54779015, 55485841, 81596825, 83052055, 97218325, 101180063, 151447865, 153402031, 273895075, 277429205, 415260275, 505900315, 514922741, 757239325, 767010155, 1387146025, 1720061071, 2529501575, 2574613705, 2607834527, 3835050775, 4755462961, 8600305355, 12873068525, 13039172635, 23777314805, 43001526775, 65195863175, 80842870337, 118886574025, 404214351685, 2021071758425]

約数ペア:

[(1, 2021071758425), (5, 404214351685), (17, 118886574025), (25, 80842870337), (31, 65195863175), (47, 43001526775), (85, 23777314805), (155, 13039172635), (157, 12873068525), (235, 8600305355), (425, 4755462961), (527, 3835050775), (775, 2607834527), (785, 2574613705), (799, 2529501575), (1175, 1720061071), (1457, 1387146025), (2635, 767010155), (2669, 757239325), (3925, 514922741), (3995, 505900315), (4867, 415260275), (7285, 277429205), (7379, 273895075), (13175, 153402031), (13345, 151447865), (19975, 101180063), (20789, 97218325), (24335, 83052055), (24769, 81596825), (36425, 55485841), (36895, 54779015), (66725, 30289573), (82739, 24427075), (103945, 19443665), (121675, 16610411), (123845, 16319365), (125443, 16111475), (184475, 10955803), (228749, 8835325), (353413, 5718725), (413695, 4885415), (519725, 3888733), (619225, 3263873), (627215, 3222295), (644459, 3136075), (977083, 2068475), (1143745, 1767065)]