21963183

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1523}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 35112960

約数和(自身を除く): 13149777

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1311, 1523, 4569, 4807, 14421, 16753, 28937, 35029, 50259, 86811, 105087, 318307, 385319, 665551, 954921, 1155957, 1996653, 7321061, 21963183]

約数ペア:

[(1, 21963183), (3, 7321061), (11, 1996653), (19, 1155957), (23, 954921), (33, 665551), (57, 385319), (69, 318307), (209, 105087), (253, 86811), (437, 50259), (627, 35029), (759, 28937), (1311, 16753), (1523, 14421), (4569, 4807)]