21384618

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1867}}^1$

素因数の和:1978

約数の個数: 32

約数和(自身を含む): 45190656

約数和(自身を除く): 23806038

約数列:

[1, 2, 3, 6, 23, 46, 69, 83, 138, 166, 249, 498, 1867, 1909, 3734, 3818, 5601, 5727, 11202, 11454, 42941, 85882, 128823, 154961, 257646, 309922, 464883, 929766, 3564103, 7128206, 10692309, 21384618]

約数ペア:

[(1, 21384618), (2, 10692309), (3, 7128206), (6, 3564103), (23, 929766), (46, 464883), (69, 309922), (83, 257646), (138, 154961), (166, 128823), (249, 85882), (498, 42941), (1867, 11454), (1909, 11202), (3734, 5727), (3818, 5601)]