21042210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1033}}^1$

素因数の和:1147

約数の個数: 64

約数和(自身を含む): 58367232

約数和(自身を除く): 37325022

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 97, 105, 194, 210, 291, 485, 582, 679, 970, 1033, 1358, 1455, 2037, 2066, 2910, 3099, 3395, 4074, 5165, 6198, 6790, 7231, 10185, 10330, 14462, 15495, 20370, 21693, 30990, 36155, 43386, 72310, 100201, 108465, 200402, 216930, 300603, 501005, 601206, 701407, 1002010, 1402814, 1503015, 2104221, 3006030, 3507035, 4208442, 7014070, 10521105, 21042210]

約数ペア:

[(1, 21042210), (2, 10521105), (3, 7014070), (5, 4208442), (6, 3507035), (7, 3006030), (10, 2104221), (14, 1503015), (15, 1402814), (21, 1002010), (30, 701407), (35, 601206), (42, 501005), (70, 300603), (97, 216930), (105, 200402), (194, 108465), (210, 100201), (291, 72310), (485, 43386), (582, 36155), (679, 30990), (970, 21693), (1033, 20370), (1358, 15495), (1455, 14462), (2037, 10330), (2066, 10185), (2910, 7231), (3099, 6790), (3395, 6198), (4074, 5165)]