21817026

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:99

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 40924926

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 53, 54, 63, 66, 77, 81, 99, 106, 121, 126, 154, 159, 162, 189, 198, 231, 242, 243, 297, 318, 363, 371, 378, 462, 477, 486, 567, 583, 594, 693, 726, 742, 847, 891, 954, 1089, 1113, 1134, 1166, 1386, 1431, 1694, 1701, 1749, 1782, 2079, 2178, 2226, 2541, 2673, 2862, 3267, 3339, 3402, 3498, 4081, 4158, 4293, 5082, 5247, 5346, 6237, 6413, 6534, 6678, 7623, 8162, 8586, 9801, 10017, 10494, 12243, 12474, 12826, 12879, 15246, 15741, 18711, 19239, 19602, 20034, 22869, 24486, 25758, 29403, 30051, 31482, 36729, 37422, 38478, 44891, 45738, 47223, 57717, 58806, 60102, 68607, 73458, 89782, 90153, 94446, 110187, 115434, 134673, 137214, 141669, 173151, 180306, 205821, 220374, 269346, 283338, 330561, 346302, 404019, 411642, 519453, 661122, 808038, 991683, 1038906, 1212057, 1558359, 1983366, 2424114, 3116718, 3636171, 7272342, 10908513, 21817026]

約数ペア:

[(1, 21817026), (2, 10908513), (3, 7272342), (6, 3636171), (7, 3116718), (9, 2424114), (11, 1983366), (14, 1558359), (18, 1212057), (21, 1038906), (22, 991683), (27, 808038), (33, 661122), (42, 519453), (53, 411642), (54, 404019), (63, 346302), (66, 330561), (77, 283338), (81, 269346), (99, 220374), (106, 205821), (121, 180306), (126, 173151), (154, 141669), (159, 137214), (162, 134673), (189, 115434), (198, 110187), (231, 94446), (242, 90153), (243, 89782), (297, 73458), (318, 68607), (363, 60102), (371, 58806), (378, 57717), (462, 47223), (477, 45738), (486, 44891), (567, 38478), (583, 37422), (594, 36729), (693, 31482), (726, 30051), (742, 29403), (847, 25758), (891, 24486), (954, 22869), (1089, 20034), (1113, 19602), (1134, 19239), (1166, 18711), (1386, 15741), (1431, 15246), (1694, 12879), (1701, 12826), (1749, 12474), (1782, 12243), (2079, 10494), (2178, 10017), (2226, 9801), (2541, 8586), (2673, 8162), (2862, 7623), (3267, 6678), (3339, 6534), (3402, 6413), (3498, 6237), (4081, 5346), (4158, 5247), (4293, 5082)]