21903958

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4909}}^1$

素因数の和:5031

約数の個数: 16

約数和(自身を含む): 34644960

約数和(自身を除く): 12741002

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4462, 4909, 9818, 112907, 225814, 476173, 952346, 10951979, 21903958]

約数ペア:

[(1, 21903958), (2, 10951979), (23, 952346), (46, 476173), (97, 225814), (194, 112907), (2231, 9818), (4462, 4909)]