21636810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18493}}^1$

素因数の和:18519

約数の個数: 48

約数和(自身を含む): 60586344

約数和(自身を除く): 38949534

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18493, 36986, 55479, 92465, 110958, 166437, 184930, 240409, 277395, 332874, 480818, 554790, 721227, 832185, 1202045, 1442454, 1664370, 2163681, 2404090, 3606135, 4327362, 7212270, 10818405, 21636810]

約数ペア:

[(1, 21636810), (2, 10818405), (3, 7212270), (5, 4327362), (6, 3606135), (9, 2404090), (10, 2163681), (13, 1664370), (15, 1442454), (18, 1202045), (26, 832185), (30, 721227), (39, 554790), (45, 480818), (65, 332874), (78, 277395), (90, 240409), (117, 184930), (130, 166437), (195, 110958), (234, 92465), (390, 55479), (585, 36986), (1170, 18493)]