21493890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7237}}^1$

素因数の和:7264

約数の個数: 64

約数和(自身を含む): 62536320

約数和(自身を除く): 41042430

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 7237, 14474, 21711, 36185, 43422, 65133, 72370, 79607, 108555, 130266, 159214, 195399, 217110, 238821, 325665, 390798, 398035, 477642, 651330, 716463, 796070, 976995, 1194105, 1432926, 1953990, 2149389, 2388210, 3582315, 4298778, 7164630, 10746945, 21493890]

約数ペア:

[(1, 21493890), (2, 10746945), (3, 7164630), (5, 4298778), (6, 3582315), (9, 2388210), (10, 2149389), (11, 1953990), (15, 1432926), (18, 1194105), (22, 976995), (27, 796070), (30, 716463), (33, 651330), (45, 477642), (54, 398035), (55, 390798), (66, 325665), (90, 238821), (99, 217110), (110, 195399), (135, 159214), (165, 130266), (198, 108555), (270, 79607), (297, 72370), (330, 65133), (495, 43422), (594, 36185), (990, 21711), (1485, 14474), (2970, 7237)]