21922538

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:758

約数の個数: 24

約数和(自身を含む): 36438276

約数和(自身を除く): 14515738

約数列:

[1, 2, 11, 22, 121, 157, 242, 314, 577, 1154, 1727, 3454, 6347, 12694, 18997, 37994, 69817, 90589, 139634, 181178, 996479, 1992958, 10961269, 21922538]

約数ペア:

[(1, 21922538), (2, 10961269), (11, 1992958), (22, 996479), (121, 181178), (157, 139634), (242, 90589), (314, 69817), (577, 37994), (1154, 18997), (1727, 12694), (3454, 6347)]