21183390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1171}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 57381120

約数和(自身を除く): 36197730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 90, 134, 135, 201, 270, 335, 402, 603, 670, 1005, 1171, 1206, 1809, 2010, 2342, 3015, 3513, 3618, 5855, 6030, 7026, 9045, 10539, 11710, 17565, 18090, 21078, 31617, 35130, 52695, 63234, 78457, 105390, 156914, 158085, 235371, 316170, 392285, 470742, 706113, 784570, 1176855, 1412226, 2118339, 2353710, 3530565, 4236678, 7061130, 10591695, 21183390]

約数ペア:

[(1, 21183390), (2, 10591695), (3, 7061130), (5, 4236678), (6, 3530565), (9, 2353710), (10, 2118339), (15, 1412226), (18, 1176855), (27, 784570), (30, 706113), (45, 470742), (54, 392285), (67, 316170), (90, 235371), (134, 158085), (135, 156914), (201, 105390), (270, 78457), (335, 63234), (402, 52695), (603, 35130), (670, 31617), (1005, 21078), (1171, 18090), (1206, 17565), (1809, 11710), (2010, 10539), (2342, 9045), (3015, 7026), (3513, 6030), (3618, 5855)]