21222867

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 31737600

約数和(自身を除く): 10514733

約数列:

[1, 3, 19, 29, 37, 57, 87, 111, 347, 551, 703, 1041, 1073, 1653, 2109, 3219, 6593, 10063, 12839, 19779, 20387, 30189, 38517, 61161, 191197, 243941, 372331, 573591, 731823, 1116993, 7074289, 21222867]

約数ペア:

[(1, 21222867), (3, 7074289), (19, 1116993), (29, 731823), (37, 573591), (57, 372331), (87, 243941), (111, 191197), (347, 61161), (551, 38517), (703, 30189), (1041, 20387), (1073, 19779), (1653, 12839), (2109, 10063), (3219, 6593)]