2021187987

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{811}}^1$

素因数の和:1033

約数の個数: 96

約数和(自身を含む): 3830561280

約数和(自身を除く): 1809373293

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 179, 221, 273, 357, 537, 663, 811, 819, 1071, 1253, 1547, 1611, 1989, 2327, 2433, 3043, 3759, 4641, 5677, 6981, 7299, 9129, 10543, 11277, 13787, 13923, 16289, 17031, 20943, 21301, 27387, 31629, 39559, 41361, 48867, 51093, 63903, 73801, 94887, 96509, 118677, 124083, 145169, 146601, 179231, 191709, 221403, 276913, 289527, 356031, 435507, 537693, 664209, 830739, 868581, 1016183, 1254617, 1306521, 1613079, 1887197, 2467873, 2492217, 3048549, 3763851, 5661591, 7403619, 9145647, 11291553, 13210379, 16984773, 17275111, 22210857, 32082349, 39631137, 51825333, 96247047, 118893411, 155475999, 224576443, 288741141, 673729329, 2021187987]

約数ペア:

[(1, 2021187987), (3, 673729329), (7, 288741141), (9, 224576443), (13, 155475999), (17, 118893411), (21, 96247047), (39, 51825333), (51, 39631137), (63, 32082349), (91, 22210857), (117, 17275111), (119, 16984773), (153, 13210379), (179, 11291553), (221, 9145647), (273, 7403619), (357, 5661591), (537, 3763851), (663, 3048549), (811, 2492217), (819, 2467873), (1071, 1887197), (1253, 1613079), (1547, 1306521), (1611, 1254617), (1989, 1016183), (2327, 868581), (2433, 830739), (3043, 664209), (3759, 537693), (4641, 435507), (5677, 356031), (6981, 289527), (7299, 276913), (9129, 221403), (10543, 191709), (11277, 179231), (13787, 146601), (13923, 145169), (16289, 124083), (17031, 118677), (20943, 96509), (21301, 94887), (27387, 73801), (31629, 63903), (39559, 51093), (41361, 48867)]