21068784

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:355

約数の個数: 120

約数和(自身を含む): 65924352

約数和(自身を除く): 44855568

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 47, 48, 66, 72, 88, 94, 99, 132, 141, 144, 176, 188, 198, 264, 282, 283, 376, 396, 423, 517, 528, 564, 566, 752, 792, 846, 849, 1034, 1128, 1132, 1551, 1584, 1692, 1698, 2068, 2256, 2264, 2547, 3102, 3113, 3384, 3396, 4136, 4528, 4653, 5094, 6204, 6226, 6768, 6792, 8272, 9306, 9339, 10188, 12408, 12452, 13301, 13584, 18612, 18678, 20376, 24816, 24904, 26602, 28017, 37224, 37356, 39903, 40752, 49808, 53204, 56034, 74448, 74712, 79806, 106408, 112068, 119709, 146311, 149424, 159612, 212816, 224136, 239418, 292622, 319224, 438933, 448272, 478836, 585244, 638448, 877866, 957672, 1170488, 1316799, 1755732, 1915344, 2340976, 2633598, 3511464, 5267196, 7022928, 10534392, 21068784]

約数ペア:

[(1, 21068784), (2, 10534392), (3, 7022928), (4, 5267196), (6, 3511464), (8, 2633598), (9, 2340976), (11, 1915344), (12, 1755732), (16, 1316799), (18, 1170488), (22, 957672), (24, 877866), (33, 638448), (36, 585244), (44, 478836), (47, 448272), (48, 438933), (66, 319224), (72, 292622), (88, 239418), (94, 224136), (99, 212816), (132, 159612), (141, 149424), (144, 146311), (176, 119709), (188, 112068), (198, 106408), (264, 79806), (282, 74712), (283, 74448), (376, 56034), (396, 53204), (423, 49808), (517, 40752), (528, 39903), (564, 37356), (566, 37224), (752, 28017), (792, 26602), (846, 24904), (849, 24816), (1034, 20376), (1128, 18678), (1132, 18612), (1551, 13584), (1584, 13301), (1692, 12452), (1698, 12408), (2068, 10188), (2256, 9339), (2264, 9306), (2547, 8272), (3102, 6792), (3113, 6768), (3384, 6226), (3396, 6204), (4136, 5094), (4528, 4653)]