21083768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2351}}^1$

素因数の和:2435

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21252232

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 2351, 4484, 4702, 8968, 9404, 18808, 44669, 89338, 138709, 178676, 277418, 357352, 554836, 1109672, 2635471, 5270942, 10541884, 21083768]

約数ペア:

[(1, 21083768), (2, 10541884), (4, 5270942), (8, 2635471), (19, 1109672), (38, 554836), (59, 357352), (76, 277418), (118, 178676), (152, 138709), (236, 89338), (472, 44669), (1121, 18808), (2242, 9404), (2351, 8968), (4484, 4702)]