21538894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 37296000

約数和(自身を除く): 15757106

約数列:

[1, 2, 13, 19, 26, 38, 59, 118, 247, 494, 739, 767, 1121, 1478, 1534, 2242, 9607, 14041, 14573, 19214, 28082, 29146, 43601, 87202, 182533, 365066, 566813, 828419, 1133626, 1656838, 10769447, 21538894]

約数ペア:

[(1, 21538894), (2, 10769447), (13, 1656838), (19, 1133626), (26, 828419), (38, 566813), (59, 365066), (118, 182533), (247, 87202), (494, 43601), (739, 29146), (767, 28082), (1121, 19214), (1478, 14573), (1534, 14041), (2242, 9607)]