21408870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1051}}^1$

素因数の和:1165

約数の個数: 64

約数和(自身を含む): 59383296

約数和(自身を除く): 37974426

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, 1051, 1358, 1455, 2037, 2102, 2910, 3153, 3395, 4074, 5255, 6306, 6790, 7357, 10185, 10510, 14714, 15765, 20370, 22071, 31530, 36785, 44142, 73570, 101947, 110355, 203894, 220710, 305841, 509735, 611682, 713629, 1019470, 1427258, 1529205, 2140887, 3058410, 3568145, 4281774, 7136290, 10704435, 21408870]

約数ペア:

[(1, 21408870), (2, 10704435), (3, 7136290), (5, 4281774), (6, 3568145), (7, 3058410), (10, 2140887), (14, 1529205), (15, 1427258), (21, 1019470), (30, 713629), (35, 611682), (42, 509735), (70, 305841), (97, 220710), (105, 203894), (194, 110355), (210, 101947), (291, 73570), (485, 44142), (582, 36785), (679, 31530), (970, 22071), (1051, 20370), (1358, 15765), (1455, 14714), (2037, 10510), (2102, 10185), (2910, 7357), (3153, 6790), (3395, 6306), (4074, 5255)]