21923811

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8923}}^1$

素因数の和:8952

約数の個数: 32

約数和(自身を含む): 39979520

約数和(自身を除く): 18055709

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8923, 26769, 62461, 80307, 115999, 187383, 240921, 347997, 562149, 811993, 1043991, 1686447, 2435979, 3131973, 7307937, 21923811]

約数ペア:

[(1, 21923811), (3, 7307937), (7, 3131973), (9, 2435979), (13, 1686447), (21, 1043991), (27, 811993), (39, 562149), (63, 347997), (91, 240921), (117, 187383), (189, 115999), (273, 80307), (351, 62461), (819, 26769), (2457, 8923)]