21168216

素因数分解:

$2^3\times 3^5\times {\mathrm{10889}}^1$

素因数の和:10910

約数の個数: 48

約数和(自身を含む): 59459400

約数和(自身を除く): 38291184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 10889, 21778, 32667, 43556, 65334, 87112, 98001, 130668, 196002, 261336, 294003, 392004, 588006, 784008, 882009, 1176012, 1764018, 2352024, 2646027, 3528036, 5292054, 7056072, 10584108, 21168216]

約数ペア:

[(1, 21168216), (2, 10584108), (3, 7056072), (4, 5292054), (6, 3528036), (8, 2646027), (9, 2352024), (12, 1764018), (18, 1176012), (24, 882009), (27, 784008), (36, 588006), (54, 392004), (72, 294003), (81, 261336), (108, 196002), (162, 130668), (216, 98001), (243, 87112), (324, 65334), (486, 43556), (648, 32667), (972, 21778), (1944, 10889)]